diff --git a/src/cmds/restic/cmd_backup.go b/src/cmds/restic/cmd_backup.go
index b5c567de..9efb2720 100644
--- a/src/cmds/restic/cmd_backup.go
+++ b/src/cmds/restic/cmd_backup.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"bufio"
-	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -14,6 +13,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"golang.org/x/crypto/ssh/terminal"
 )
 
diff --git a/src/cmds/restic/cmd_cat.go b/src/cmds/restic/cmd_cat.go
index 959dfabd..f8a96772 100644
--- a/src/cmds/restic/cmd_cat.go
+++ b/src/cmds/restic/cmd_cat.go
@@ -2,10 +2,11 @@ package main
 
 import (
 	"encoding/json"
-	"errors"
 	"fmt"
 	"os"
 
+	"github.com/pkg/errors"
+
 	"restic"
 	"restic/backend"
 	"restic/debug"
diff --git a/src/cmds/restic/cmd_check.go b/src/cmds/restic/cmd_check.go
index 9bcd2791..cbb79f8c 100644
--- a/src/cmds/restic/cmd_check.go
+++ b/src/cmds/restic/cmd_check.go
@@ -1,11 +1,12 @@
 package main
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"golang.org/x/crypto/ssh/terminal"
 
 	"restic"
diff --git a/src/cmds/restic/cmd_dump.go b/src/cmds/restic/cmd_dump.go
index dc25f37b..31ed114a 100644
--- a/src/cmds/restic/cmd_dump.go
+++ b/src/cmds/restic/cmd_dump.go
@@ -8,6 +8,8 @@ import (
 	"io"
 	"os"
 
+	"github.com/pkg/errors"
+
 	"restic"
 	"restic/backend"
 	"restic/pack"
diff --git a/src/cmds/restic/cmd_init.go b/src/cmds/restic/cmd_init.go
index 887d3416..4bfc4a5c 100644
--- a/src/cmds/restic/cmd_init.go
+++ b/src/cmds/restic/cmd_init.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"errors"
+	"github.com/pkg/errors"
 
 	"restic/repository"
 )
diff --git a/src/cmds/restic/cmd_key.go b/src/cmds/restic/cmd_key.go
index 46e5b6bf..42f0ee6a 100644
--- a/src/cmds/restic/cmd_key.go
+++ b/src/cmds/restic/cmd_key.go
@@ -1,9 +1,10 @@
 package main
 
 import (
-	"errors"
 	"fmt"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/repository"
 )
diff --git a/src/cmds/restic/cmd_list.go b/src/cmds/restic/cmd_list.go
index 3bfb5af9..57310b6f 100644
--- a/src/cmds/restic/cmd_list.go
+++ b/src/cmds/restic/cmd_list.go
@@ -1,9 +1,10 @@
 package main
 
 import (
-	"errors"
 	"fmt"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 )
 
diff --git a/src/cmds/restic/cmd_restore.go b/src/cmds/restic/cmd_restore.go
index 97b77ec1..84a9a9b0 100644
--- a/src/cmds/restic/cmd_restore.go
+++ b/src/cmds/restic/cmd_restore.go
@@ -1,9 +1,10 @@
 package main
 
 import (
-	"errors"
 	"fmt"
 
+	"github.com/pkg/errors"
+
 	"restic"
 	"restic/backend"
 	"restic/debug"
diff --git a/src/cmds/restic/global.go b/src/cmds/restic/global.go
index 511628a4..c16263cb 100644
--- a/src/cmds/restic/global.go
+++ b/src/cmds/restic/global.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -9,6 +8,8 @@ import (
 	"strings"
 	"syscall"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/backend/local"
 	"restic/backend/rest"
diff --git a/src/cmds/restic/main.go b/src/cmds/restic/main.go
index 19d81e77..f9a4ec80 100644
--- a/src/cmds/restic/main.go
+++ b/src/cmds/restic/main.go
@@ -2,11 +2,12 @@ package main
 
 import (
 	"fmt"
-	"github.com/jessevdk/go-flags"
 	"os"
 	"restic"
 	"restic/debug"
 	"runtime"
+
+	"github.com/jessevdk/go-flags"
 )
 
 func init() {
diff --git a/src/restic/archiver.go b/src/restic/archiver.go
index cf245d2b..ae062a7f 100644
--- a/src/restic/archiver.go
+++ b/src/restic/archiver.go
@@ -2,7 +2,6 @@ package restic
 
 import (
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -11,6 +10,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/debug"
 	"restic/fs"
diff --git a/src/restic/archiver_duplication_test.go b/src/restic/archiver_duplication_test.go
index 56341a99..61f7aafb 100644
--- a/src/restic/archiver_duplication_test.go
+++ b/src/restic/archiver_duplication_test.go
@@ -2,13 +2,14 @@ package restic_test
 
 import (
 	"crypto/rand"
-	"errors"
 	"io"
 	mrand "math/rand"
 	"sync"
 	"testing"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"restic"
 	"restic/backend"
 	"restic/pack"
diff --git a/src/restic/backend/generic.go b/src/restic/backend/generic.go
index c528f899..7510ad0f 100644
--- a/src/restic/backend/generic.go
+++ b/src/restic/backend/generic.go
@@ -1,6 +1,6 @@
 package backend
 
-import "errors"
+import "github.com/pkg/errors"
 
 // ErrNoIDPrefixFound is returned by Find() when no ID for the given prefix
 // could be found.
diff --git a/src/restic/backend/handle.go b/src/restic/backend/handle.go
index 6bdf6af2..62ff00b0 100644
--- a/src/restic/backend/handle.go
+++ b/src/restic/backend/handle.go
@@ -1,8 +1,9 @@
 package backend
 
 import (
-	"errors"
 	"fmt"
+
+	"github.com/pkg/errors"
 )
 
 // Handle is used to store and access data in a backend.
diff --git a/src/restic/backend/id.go b/src/restic/backend/id.go
index 11579270..a37e0ede 100644
--- a/src/restic/backend/id.go
+++ b/src/restic/backend/id.go
@@ -5,7 +5,8 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"encoding/json"
-	"errors"
+
+	"github.com/pkg/errors"
 )
 
 // Hash returns the ID for data.
diff --git a/src/restic/backend/local/config.go b/src/restic/backend/local/config.go
index 456f3c42..a430f9de 100644
--- a/src/restic/backend/local/config.go
+++ b/src/restic/backend/local/config.go
@@ -1,8 +1,9 @@
 package local
 
 import (
-	"errors"
 	"strings"
+
+	"github.com/pkg/errors"
 )
 
 // ParseConfig parses a local backend config.
diff --git a/src/restic/backend/local/local.go b/src/restic/backend/local/local.go
index 9a85f7a5..d6b02a0b 100644
--- a/src/restic/backend/local/local.go
+++ b/src/restic/backend/local/local.go
@@ -1,13 +1,14 @@
 package local
 
 import (
-	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"os"
 	"path/filepath"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/debug"
 	"restic/fs"
diff --git a/src/restic/backend/mem/mem_backend.go b/src/restic/backend/mem/mem_backend.go
index 5682d491..239e2c89 100644
--- a/src/restic/backend/mem/mem_backend.go
+++ b/src/restic/backend/mem/mem_backend.go
@@ -1,10 +1,11 @@
 package mem
 
 import (
-	"errors"
 	"io"
 	"sync"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/debug"
 )
diff --git a/src/restic/backend/mem/mem_backend_test.go b/src/restic/backend/mem/mem_backend_test.go
index a65cdc24..cde3bda1 100644
--- a/src/restic/backend/mem/mem_backend_test.go
+++ b/src/restic/backend/mem/mem_backend_test.go
@@ -1,7 +1,7 @@
 package mem_test
 
 import (
-	"errors"
+	"github.com/pkg/errors"
 
 	"restic/backend"
 	"restic/backend/mem"
diff --git a/src/restic/backend/mock_backend.go b/src/restic/backend/mock_backend.go
index 921af4d6..70429acf 100644
--- a/src/restic/backend/mock_backend.go
+++ b/src/restic/backend/mock_backend.go
@@ -1,6 +1,6 @@
 package backend
 
-import "errors"
+import "github.com/pkg/errors"
 
 // MockBackend implements a backend whose functions can be specified. This
 // should only be used for tests.
diff --git a/src/restic/backend/rest/config.go b/src/restic/backend/rest/config.go
index c4459344..61a73144 100644
--- a/src/restic/backend/rest/config.go
+++ b/src/restic/backend/rest/config.go
@@ -1,9 +1,10 @@
 package rest
 
 import (
-	"errors"
 	"net/url"
 	"strings"
+
+	"github.com/pkg/errors"
 )
 
 // Config contains all configuration necessary to connect to a REST server.
diff --git a/src/restic/backend/rest/rest.go b/src/restic/backend/rest/rest.go
index 125331d7..5894d75a 100644
--- a/src/restic/backend/rest/rest.go
+++ b/src/restic/backend/rest/rest.go
@@ -3,7 +3,6 @@ package rest
 import (
 	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -11,6 +10,8 @@ import (
 	"path"
 	"strings"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 )
 
diff --git a/src/restic/backend/rest/rest_test.go b/src/restic/backend/rest/rest_test.go
index bbcfff9b..4e77cf61 100644
--- a/src/restic/backend/rest/rest_test.go
+++ b/src/restic/backend/rest/rest_test.go
@@ -1,11 +1,12 @@
 package rest_test
 
 import (
-	"errors"
 	"fmt"
 	"net/url"
 	"os"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/backend/rest"
 	"restic/backend/test"
diff --git a/src/restic/backend/s3/config.go b/src/restic/backend/s3/config.go
index 5cd74ce7..70991363 100644
--- a/src/restic/backend/s3/config.go
+++ b/src/restic/backend/s3/config.go
@@ -1,10 +1,11 @@
 package s3
 
 import (
-	"errors"
 	"net/url"
 	"path"
 	"strings"
+
+	"github.com/pkg/errors"
 )
 
 // Config contains all configuration necessary to connect to an s3 compatible
diff --git a/src/restic/backend/s3/s3.go b/src/restic/backend/s3/s3.go
index c4e1aae5..ff3ff627 100644
--- a/src/restic/backend/s3/s3.go
+++ b/src/restic/backend/s3/s3.go
@@ -2,10 +2,11 @@ package s3
 
 import (
 	"bytes"
-	"errors"
 	"io"
 	"strings"
 
+	"github.com/pkg/errors"
+
 	"github.com/minio/minio-go"
 
 	"restic/backend"
diff --git a/src/restic/backend/s3/s3_test.go b/src/restic/backend/s3/s3_test.go
index 586398de..6fd9c3bf 100644
--- a/src/restic/backend/s3/s3_test.go
+++ b/src/restic/backend/s3/s3_test.go
@@ -1,11 +1,12 @@
 package s3_test
 
 import (
-	"errors"
 	"fmt"
 	"net/url"
 	"os"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/backend/s3"
 	"restic/backend/test"
diff --git a/src/restic/backend/sftp/config.go b/src/restic/backend/sftp/config.go
index e6dfd0d2..942efc3e 100644
--- a/src/restic/backend/sftp/config.go
+++ b/src/restic/backend/sftp/config.go
@@ -1,11 +1,12 @@
 package sftp
 
 import (
-	"errors"
 	"fmt"
 	"net/url"
 	"path"
 	"strings"
+
+	"github.com/pkg/errors"
 )
 
 // Config collects all information required to connect to an sftp server.
diff --git a/src/restic/backend/sftp/sftp.go b/src/restic/backend/sftp/sftp.go
index 577f5bbb..e023bf1b 100644
--- a/src/restic/backend/sftp/sftp.go
+++ b/src/restic/backend/sftp/sftp.go
@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"crypto/rand"
 	"encoding/hex"
-	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -13,6 +12,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/debug"
 
diff --git a/src/restic/backend/test/tests_test.go b/src/restic/backend/test/tests_test.go
index 1674f1f5..5dbba88a 100644
--- a/src/restic/backend/test/tests_test.go
+++ b/src/restic/backend/test/tests_test.go
@@ -1,7 +1,7 @@
 package test_test
 
 import (
-	"errors"
+	"github.com/pkg/errors"
 
 	"restic/backend"
 	"restic/backend/mem"
diff --git a/src/restic/cache.go b/src/restic/cache.go
index e4b8507c..1060c0a4 100644
--- a/src/restic/cache.go
+++ b/src/restic/cache.go
@@ -1,7 +1,6 @@
 package restic
 
 import (
-	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -9,6 +8,8 @@ import (
 	"runtime"
 	"strings"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/debug"
 	"restic/fs"
diff --git a/src/restic/checker/checker.go b/src/restic/checker/checker.go
index fc15b35f..9a3a518d 100644
--- a/src/restic/checker/checker.go
+++ b/src/restic/checker/checker.go
@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/pkg/errors"
+
 	"restic"
 	"restic/backend"
 	"restic/crypto"
diff --git a/src/restic/crypto/crypto.go b/src/restic/crypto/crypto.go
index 17cfa309..71bf8c15 100644
--- a/src/restic/crypto/crypto.go
+++ b/src/restic/crypto/crypto.go
@@ -5,9 +5,10 @@ import (
 	"crypto/cipher"
 	"crypto/rand"
 	"encoding/json"
-	"errors"
 	"fmt"
 
+	"github.com/pkg/errors"
+
 	"golang.org/x/crypto/poly1305"
 )
 
diff --git a/src/restic/filter/filter.go b/src/restic/filter/filter.go
index 7105a76a..ccef3a6f 100644
--- a/src/restic/filter/filter.go
+++ b/src/restic/filter/filter.go
@@ -1,9 +1,10 @@
 package filter
 
 import (
-	"errors"
 	"path/filepath"
 	"strings"
+
+	"github.com/pkg/errors"
 )
 
 // ErrBadString is returned when Match is called with the empty string as the
diff --git a/src/restic/fuse/file.go b/src/restic/fuse/file.go
index ef6766d9..f6dfa771 100644
--- a/src/restic/fuse/file.go
+++ b/src/restic/fuse/file.go
@@ -4,9 +4,10 @@
 package fuse
 
 import (
-	"errors"
 	"sync"
 
+	"github.com/pkg/errors"
+
 	"restic"
 	"restic/backend"
 	"restic/debug"
diff --git a/src/restic/fuse/file_test.go b/src/restic/fuse/file_test.go
index 12bcb859..cb1c6745 100644
--- a/src/restic/fuse/file_test.go
+++ b/src/restic/fuse/file_test.go
@@ -5,11 +5,12 @@ package fuse
 
 import (
 	"bytes"
-	"errors"
 	"math/rand"
 	"testing"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"bazil.org/fuse"
 
 	"restic"
diff --git a/src/restic/fuse/link.go b/src/restic/fuse/link.go
index 1cf02df0..732446a7 100644
--- a/src/restic/fuse/link.go
+++ b/src/restic/fuse/link.go
@@ -4,11 +4,12 @@
 package fuse
 
 import (
+	"restic"
+	"restic/repository"
+
 	"bazil.org/fuse"
 	"bazil.org/fuse/fs"
 	"golang.org/x/net/context"
-	"restic"
-	"restic/repository"
 )
 
 // Statically ensure that *file implements the given interface
diff --git a/src/restic/index/index.go b/src/restic/index/index.go
index 0d2d7039..e2fa2e21 100644
--- a/src/restic/index/index.go
+++ b/src/restic/index/index.go
@@ -2,7 +2,6 @@
 package index
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"restic"
@@ -12,6 +11,8 @@ import (
 	"restic/pack"
 	"restic/types"
 	"restic/worker"
+
+	"github.com/pkg/errors"
 )
 
 // Pack contains information about the contents of a pack.
diff --git a/src/restic/node_windows.go b/src/restic/node_windows.go
index c238cf87..08a7f86a 100644
--- a/src/restic/node_windows.go
+++ b/src/restic/node_windows.go
@@ -1,8 +1,9 @@
 package restic
 
 import (
-	"errors"
 	"syscall"
+
+	"github.com/pkg/errors"
 )
 
 // mknod() creates a filesystem node (file, device
diff --git a/src/restic/pack/pack.go b/src/restic/pack/pack.go
index 4ffbf4d7..d2908182 100644
--- a/src/restic/pack/pack.go
+++ b/src/restic/pack/pack.go
@@ -3,11 +3,12 @@ package pack
 import (
 	"bytes"
 	"encoding/binary"
-	"errors"
 	"fmt"
 	"io"
 	"sync"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/crypto"
 )
diff --git a/src/restic/pipe/pipe.go b/src/restic/pipe/pipe.go
index 92343f54..78562f0f 100644
--- a/src/restic/pipe/pipe.go
+++ b/src/restic/pipe/pipe.go
@@ -1,12 +1,13 @@
 package pipe
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
 	"sort"
 
+	"github.com/pkg/errors"
+
 	"restic/debug"
 	"restic/fs"
 )
diff --git a/src/restic/repository/config.go b/src/restic/repository/config.go
index 46f739d3..df7fd2b7 100644
--- a/src/restic/repository/config.go
+++ b/src/restic/repository/config.go
@@ -4,10 +4,11 @@ import (
 	"crypto/rand"
 	"crypto/sha256"
 	"encoding/hex"
-	"errors"
 	"io"
 	"testing"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/debug"
 
diff --git a/src/restic/repository/index.go b/src/restic/repository/index.go
index 86968ba1..bdf70c35 100644
--- a/src/restic/repository/index.go
+++ b/src/restic/repository/index.go
@@ -3,12 +3,13 @@ package repository
 import (
 	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"sync"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/crypto"
 	"restic/debug"
diff --git a/src/restic/repository/key.go b/src/restic/repository/key.go
index 2599f6e2..3ef78e6b 100644
--- a/src/restic/repository/key.go
+++ b/src/restic/repository/key.go
@@ -2,12 +2,13 @@ package repository
 
 import (
 	"encoding/json"
-	"errors"
 	"fmt"
 	"os"
 	"os/user"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/crypto"
 	"restic/debug"
diff --git a/src/restic/repository/parallel_test.go b/src/restic/repository/parallel_test.go
index dfcce0a1..6aab24b0 100644
--- a/src/restic/repository/parallel_test.go
+++ b/src/restic/repository/parallel_test.go
@@ -1,11 +1,12 @@
 package repository_test
 
 import (
-	"errors"
 	"math/rand"
 	"testing"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/repository"
 	. "restic/test"
diff --git a/src/restic/repository/repository.go b/src/restic/repository/repository.go
index 8949b813..eaa7e530 100644
--- a/src/restic/repository/repository.go
+++ b/src/restic/repository/repository.go
@@ -3,11 +3,12 @@ package repository
 import (
 	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"os"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/crypto"
 	"restic/debug"
diff --git a/src/restic/snapshot.go b/src/restic/snapshot.go
index 3eaa0b61..0b2374d6 100644
--- a/src/restic/snapshot.go
+++ b/src/restic/snapshot.go
@@ -1,13 +1,14 @@
 package restic
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"os/user"
 	"path/filepath"
 	"time"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/repository"
 )
diff --git a/src/restic/tree.go b/src/restic/tree.go
index 067dc6b7..9bfcfd7e 100644
--- a/src/restic/tree.go
+++ b/src/restic/tree.go
@@ -1,10 +1,11 @@
 package restic
 
 import (
-	"errors"
 	"fmt"
 	"sort"
 
+	"github.com/pkg/errors"
+
 	"restic/backend"
 	"restic/debug"
 	"restic/pack"
diff --git a/src/restic/worker/pool_test.go b/src/restic/worker/pool_test.go
index f7066441..329ce9a8 100644
--- a/src/restic/worker/pool_test.go
+++ b/src/restic/worker/pool_test.go
@@ -1,9 +1,10 @@
 package worker_test
 
 import (
-	"errors"
 	"testing"
 
+	"github.com/pkg/errors"
+
 	"restic/worker"
 )