diff --git a/Dockerfile b/Dockerfile
index ba5cc9c..c3a6083 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM python:3.10.7-slim
 
 RUN apt-get update -y && apt-get install -y --fix-missing curl git && rm -rf /var/lib/apt/lists/*
 
-RUN pip3 install git+https://github.com/octue/get-deployment-info@0.3.0
+RUN pip3 install git+https://github.com/octue/get-deployment-info@0.3.1
 
 COPY get_deployment_info/entrypoint.sh /entrypoint.sh
 
diff --git a/README.md b/README.md
index 27a037d..38368a3 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ steps:
 
   - name: Get deployment info
     id: get-deployment-info
-    uses: octue/get-deployment-info@0.3.0
+    uses: octue/get-deployment-info@0.3.1
     with:
       gcp_project_name: test-project
       gcp_project_number: 1234
diff --git a/action.yaml b/action.yaml
index aa9033f..9ed1770 100644
--- a/action.yaml
+++ b/action.yaml
@@ -60,7 +60,7 @@ outputs:
     description: "If the branch is 'main', this is 'PRODUCTION'; otherwise it's 'STAGING'."
 runs:
   using: "docker"
-  image: "docker://octue/get-deployment-info:0.3.0"
+  image: "docker://octue/get-deployment-info:0.3.1"
   args:
     - ${{ inputs.gcp_project_name }}
     - ${{ inputs.gcp_project_number }}
diff --git a/get_deployment_info/entrypoint.sh b/get_deployment_info/entrypoint.sh
index dfa69c7..49fc8fa 100644
--- a/get_deployment_info/entrypoint.sh
+++ b/get_deployment_info/entrypoint.sh
@@ -37,7 +37,7 @@ if [ "$BRANCH_TAG_KEBAB" = "main" ]; then
   REVISION_TAG=$VERSION
   IMAGE_VERSION_TAG="$BRANCH_TAG_KEBAB-$REVISION_TAG"
   IMAGE_LATEST_TAG="$BRANCH_TAG_KEBAB-latest"
-  GCP_ENVIRONMENT=production >> $GITHUB_OUTPUT
+  GCP_ENVIRONMENT_KEBAB=production >> $GITHUB_OUTPUT
   GCP_ENVIRONMENT_SCREAMING=PRODUCTION >> $GITHUB_OUTPUT
 else
   REVISION_TAG=$(expr substr "$BRANCH_TAG_KEBAB" 1 12)
diff --git a/pyproject.toml b/pyproject.toml
index bac5240..925cdf8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "get-deployment-info"
-version = "0.3.0"
+version = "0.3.1"
 description = "A Github Action that gets the information required to build and deploy an Octue service."
 authors = ["Marcus Lugg <marcus@octue.com>"]
 readme = "README.md"