diff --git a/Gemfile b/Gemfile
index c4d5897e..90052eff 100644
--- a/Gemfile
+++ b/Gemfile
@@ -36,7 +36,7 @@ gem 'webpacker'
 gem 'rest-client'
 gem 'rubyzip'
 gem 'mnemosyne-ruby'
-gem 'proforma', path: '../proforma'
+gem 'proforma', git: 'git://github.com/openHPI/proforma.git' # use version not master
 gem 'whenever', require: false
 gem 'rails-timeago'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 2bfd7a2d..6388bfde 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,13 @@
+GIT
+  remote: git://github.com/openHPI/proforma.git
+  revision: 54a5bdf2bafebb548998c945ee68d099d85108df
+  specs:
+    proforma (0.1.0)
+      activemodel (~> 5.2.3)
+      activesupport (~> 5.2.3)
+      nokogiri (~> 1.10.2)
+      rubyzip (>= 1.2.2, < 2.1.0)
+
 GIT
   remote: https://github.com/gosukiwi/tubesock
   revision: 86a5ca4f7d3c3a7b9a727ad91df3b9b4912eda39
@@ -7,15 +17,6 @@ GIT
       rack (>= 1.5.0)
       websocket (>= 1.1.0)
 
-PATH
-  remote: ../proforma
-  specs:
-    proforma (0.1.0)
-      activemodel (~> 5.2.3)
-      activesupport (~> 5.2.3)
-      nokogiri (~> 1.10.2)
-      rubyzip (~> 1.2.2)
-
 GEM
   remote: https://rubygems.org/
   specs: