diff --git a/Dockerfile b/Dockerfile
index 60ccf72..49fd61d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,7 @@ RUN curl -fsSL -O ${TERRAFORM_RELEASE_URL}/${TERRAFORM_VERSION}/terraform_${TERR
     unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
     mv terraform /usr/local/bin/
 
-ENV OPA_VERSION=0.22.0
+ENV OPA_VERSION=0.23.1
 WORKDIR /opa-build
 RUN curl -fsSL "https://codeload.github.com/open-policy-agent/opa/tar.gz/v${OPA_VERSION}" | tar xvz --strip-components=1 && \
     go build && \
diff --git a/README.md b/README.md
index 18635cb..be1d9c2 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 ![Build](https://github.com/rrey/terraform-runner/workflows/Docker%20Image%20CI/badge.svg)
 ![](https://img.shields.io/badge/Terraform-0.13.0-blueviolet)
 ![](https://img.shields.io/badge/Terragrunt-0.23.33-blue)
-![](https://img.shields.io/badge/opa-0.22.0-lightgrey)
+![](https://img.shields.io/badge/opa-0.23.1-lightgrey)
 ![](https://img.shields.io/badge/conftest-0.20.0-blue)
 
 This docker image aims at being a CI runner allowing to handle Terraform content.