diff --git a/.github/renovate.json b/.github/renovate.json
index fa1d37d..91af0b1 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -28,7 +28,7 @@
     {
       "fileMatch": ["/Dockerfile$"],
       "matchStrings": [
-        "ARG TAUTULLI_VERSION=[\"']?(?<currentValue>.+?)[\"']?\\s+"
+        "ENV TAUTULLI_VERSION=[\"']?(?<currentValue>.+?)[\"']?\\s+"
       ],
       "datasourceTemplate": "github-releases",
       "depNameTemplate": "Tautulli/Tautulli"
diff --git a/tautulli/Dockerfile b/tautulli/Dockerfile
index 4ecdf92..c7d09de 100644
--- a/tautulli/Dockerfile
+++ b/tautulli/Dockerfile
@@ -13,7 +13,7 @@ COPY requirements.txt /tmp/
 
 # Setup base
 ARG BUILD_ARCH=amd64
-ARG TAUTULLI_VERSION="v2.12.2"
+ENV TAUTULLI_VERSION="v2.12.2"
 RUN \
   apt-get update \
   && apt-get install -y --no-install-recommends \