diff --git a/debian/gitlab.postinst b/debian/gitlab.postinst
index 118d370885..c0cd7fb93d 100755
--- a/debian/gitlab.postinst
+++ b/debian/gitlab.postinst
@@ -77,8 +77,8 @@ runuser -u ${gitlab_user} -- sh -c "if ! gem list -i -v 1.2.2 "^ipaddr$" >/dev/n
 runuser -u ${gitlab_user} -- sh -c "if ! gem list -i -v 2.3.2 "^deckar01-task_list$" >/dev/null; then gem install -v 2.3.2 deckar01-task_list; fi"
 # We need this version to use newer googleauth
 runuser -u ${gitlab_user} -- sh -c "if ! gem list -i -v 0.53.0 "^google-api-client$" >/dev/null; then gem install -v 0.53.0 google-api-client; fi"
-# we need rack ~>2.2.6
-runuser -u ${gitlab_user} -- sh -c "if ! gem list -i -v 0.53.0 "^rack$" >/dev/null; then gem install -v 2.2.6 rack; fi"
+# we need rack ~> 2.2.6
+runuser -u ${gitlab_user} -- sh -c "if ! gem list -i -v '~> 2.2.6' "^rack$" >/dev/null; then gem install -v '~> 2.2.6' rack; fi"
 
 # Uninstall rack 3.x
 runuser -u ${gitlab_user} -- sh -c "if ! gem list -i -v '~>3.0' "^rack$" >/dev/null; then gem uninstall -v '~>3.0' rack; fi"