diff --git a/services/postgresflex/go.mod b/services/postgresflex/go.mod
index 5bf4933ed..6617ca471 100644
--- a/services/postgresflex/go.mod
+++ b/services/postgresflex/go.mod
@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/google/go-cmp v0.6.0
-	github.com/stackitcloud/stackit-sdk-go/core v0.14.0
+	github.com/stackitcloud/stackit-sdk-go/core v0.13.0
 )
 
 require (
diff --git a/services/postgresflex/go.sum b/services/postgresflex/go.sum
index 32bda1722..62f3cf6f4 100644
--- a/services/postgresflex/go.sum
+++ b/services/postgresflex/go.sum
@@ -4,5 +4,5 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/stackitcloud/stackit-sdk-go/core v0.14.0 h1:oBwwzrEHDTlZpRoQwmMQpNA8bWciTrtGkiN29nx14Z0=
-github.com/stackitcloud/stackit-sdk-go/core v0.14.0/go.mod h1:mDX1mSTsB3mP+tNBGcFNx6gH1mGBN4T+dVt+lcw7nlw=
+github.com/stackitcloud/stackit-sdk-go/core v0.13.0 h1:BtJT2WXqZdexPPQi/HPUIr8g4JUPOCheh6J9dxiCQ4Q=
+github.com/stackitcloud/stackit-sdk-go/core v0.13.0/go.mod h1:mDX1mSTsB3mP+tNBGcFNx6gH1mGBN4T+dVt+lcw7nlw=