diff --git a/Dockerfile b/Dockerfile
index 592e679766..db9e7b4f4c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ ARG GOLANG_TAG=1.23.0-alpine@sha256:d0b31558e6b3e4cc59f6011d79905835108c919143eb
 # renovate: datasource=github-releases depName=hashicorp/terraform versioning=hashicorp
 ARG DEFAULT_TERRAFORM_VERSION=1.9.8
 # renovate: datasource=github-releases depName=opentofu/opentofu versioning=hashicorp
-ARG DEFAULT_OPENTOFU_VERSION=1.8.3
+ARG DEFAULT_OPENTOFU_VERSION=1.8.4
 # renovate: datasource=github-releases depName=open-policy-agent/conftest
 ARG DEFAULT_CONFTEST_VERSION=0.56.0