diff --git a/automated/build.sh b/automated/build.sh
index 9676ae5f..ec621bc3 100755
--- a/automated/build.sh
+++ b/automated/build.sh
@@ -72,11 +72,12 @@ docker run --rm -v $(pwd)/curator:/exe $IMAGE /exe --version
 if [ $SHORTNAME = "lts" ]
 then
    STACK_VERSION=2.11.1
-   curl -L https://github.com/commercialhaskell/stack/releases/download/v${STACK_VERSION}/stack-${STACK_VERSION}-linux-x86_64-bin > stack
 else
-   STACK_VERSION=2.13.0.1
-   curl -L https://github.com/commercialhaskell/stack/releases/download/rc%2Fv${STACK_VERSION}/stack-${STACK_VERSION}-linux-x86_64-bin > stack
+   STACK_VERSION=2.13.1
+   # rc url
+   #curl -L https://github.com/commercialhaskell/stack/releases/download/rc%2Fv${STACK_VERSION}/stack-${STACK_VERSION}-linux-x86_64-bin > stack
 fi
+curl -L https://github.com/commercialhaskell/stack/releases/download/v${STACK_VERSION}/stack-${STACK_VERSION}-linux-x86_64-bin > stack
 chmod +x stack
 echo -n "stack version: "
 docker run --rm -v $(pwd)/stack:/exe $IMAGE /exe --version