diff --git a/stack.yaml b/stack.yaml
index 42c840594..2e8bca4d5 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -38,7 +38,7 @@ extra-deps:
     commit: 42103ab247057c04c8ce7a83d9d4c160713a3df1
 
   - git: git@gitlab2.rz.ifi.lmu.de:uni2work/cryptoids.git
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
     subdirs:
       - cryptoids-class
       - cryptoids-types
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 31fac9026..9dd64cf44 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -175,11 +175,11 @@ packages:
     pantry-tree:
       size: 350
       sha256: f014c9ff9666a4d4bab82dd2b3092fd2004b40ebf2bcd32cf7d90035e08ce75b
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
   original:
     subdir: cryptoids-class
     git: git@gitlab2.rz.ifi.lmu.de:uni2work/cryptoids.git
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
 - completed:
     subdir: cryptoids-types
     cabal-file:
@@ -191,11 +191,11 @@ packages:
     pantry-tree:
       size: 258
       sha256: d1465d25a1a1807d5a88d9a09085fd4a2f49f2e57b8398496691ffad30e8f88c
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
   original:
     subdir: cryptoids-types
     git: git@gitlab2.rz.ifi.lmu.de:uni2work/cryptoids.git
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
 - completed:
     subdir: cryptoids
     cabal-file:
@@ -207,11 +207,11 @@ packages:
     pantry-tree:
       size: 510
       sha256: 7c16ce6b5de6988ba628027a055fe7faa8b3a2e2bc77d7088e8dad23e9bac7a1
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
   original:
     subdir: cryptoids
     git: git@gitlab2.rz.ifi.lmu.de:uni2work/cryptoids.git
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
 - completed:
     subdir: filepath-crypto
     cabal-file:
@@ -222,12 +222,12 @@ packages:
     git: git@gitlab2.rz.ifi.lmu.de:uni2work/cryptoids.git
     pantry-tree:
       size: 614
-      sha256: 075cdc34365a1756a064b9d3778615f843b37a78e9707594cc5c6f64ce3df48f
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+      sha256: 2f5d7053ba61d8727b2a0b4443017e9af013196d2d53064c98f21bbd196ccd52
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
   original:
     subdir: filepath-crypto
     git: git@gitlab2.rz.ifi.lmu.de:uni2work/cryptoids.git
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
 - completed:
     subdir: uuid-crypto
     cabal-file:
@@ -239,11 +239,11 @@ packages:
     pantry-tree:
       size: 359
       sha256: 1861593e0b304b8a09db3e7b435ae6763f57d2051a1c8770a051adc5aa0f0edd
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
   original:
     subdir: uuid-crypto
     git: git@gitlab2.rz.ifi.lmu.de:uni2work/cryptoids.git
-    commit: 5e9a7e4c3c9905d192185c9f70528b5d2b9e0bd9
+    commit: 4d91394475b144ea5bf7ba111f93756cc0de8a3f
 - completed:
     hackage: generic-lens-1.2.0.0@sha256:b19e7970c93743a46bc3702331512a96d163de4356472f2d51a2945887aefe8c,6524
     pantry-tree: