diff --git a/Pipfile b/Pipfile
index 99b9d9b..89649d1 100644
--- a/Pipfile
+++ b/Pipfile
@@ -21,7 +21,7 @@ networkx = "~=3.1"
 oauthlib = "~=3.2"
 psycopg2-binary = "~=2.9"
 # should be replaced once https://github.com/rshk/pygpgme/pull/12 is merged
-pygpgme = { git = "https://github.com/timonegk/pygpgme.git", branch = "patch-1" }
+pygpgme = { git = "https://github.com/timonegk/pygpgme.git", ref = "patch-1" }
 pygraphviz = "~=1.11"
 python-Levenshtein = "~=0.22"
 python-creole = "~=1.4"
diff --git a/Pipfile.lock b/Pipfile.lock
index 1d6e648..2a20289 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "9091c7efdc6b627a9c00d43165c5abc1c09eeeba19b04fe7ead422f1a63c9923"
+            "sha256": "996e55649a65bcc342a3b81eaea10ab2c701caa2eeb6a6ae63bbfc254d755d94"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -799,7 +799,7 @@
         },
         "pygpgme": {
             "git": "https://github.com/timonegk/pygpgme.git",
-            "ref": "de2e739e56ca33bfde1c7c3ba0f62863863a5160"
+            "ref": "50891c23a5bd093b0ce966540498bb0dc48d03f5"
         },
         "pygraphviz": {
             "hashes": [