diff --git a/testing/Dockerfile b/testing/Dockerfile
index 28b78c0f9d..aafcb3cbe8 100644
--- a/testing/Dockerfile
+++ b/testing/Dockerfile
@@ -16,7 +16,7 @@ RUN case $(uname -m) in x86_64|amd64) ARCH="amd64" ;; aarch64|arm64|armv7l) ARCH
 
 # Install conftest
 # renovate: datasource=github-releases depName=open-policy-agent/conftest
-ENV CONFTEST_VERSION=0.49.1
+ENV CONFTEST_VERSION=0.50.0
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN case $(uname -m) in x86_64|amd64) ARCH="x86_64" ;; aarch64|arm64|armv7l) ARCH="arm64" ;; esac && \
     curl -LOs https://github.com/open-policy-agent/conftest/releases/download/v${CONFTEST_VERSION}/conftest_${CONFTEST_VERSION}_Linux_${ARCH}.tar.gz && \