diff --git a/Dockerfile b/Dockerfile
index 1887590..6a579d9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,16 @@
-FROM python:3.12.3-alpine3.19@sha256:ef097620baf1272e38264207003b0982285da3236a20ed829bf6bbf1e85fe3cb
+FROM python:3.12.3-alpine3.20@sha256:53cab1eabac71d6160eeabe09fd3144de789f75de62b9833e49f67534edc547e
 COPY --from=koalaman/shellcheck:v0.10.0@sha256:2097951f02e735b613f4a34de20c40f937a6c8f18ecb170612c88c34517221fb /bin/shellcheck /bin/
 
-# renovate: datasource=repology depName=alpine_3_19/build-base versioning=loose
+# renovate: datasource=repology depName=alpine_3_20/build-base versioning=loose
 ENV BUILD_BASE_VERSION="0.5-r3"
-# renovate: datasource=repology depName=alpine_3_19/gcc versioning=loose
-ENV GCC_VERSION="13.2.1_git20231014-r0"
-# renovate: datasource=repology depName=alpine_3_19/ruby versioning=loose
-ENV RUBY_VERSION="3.2.4-r0"
-# renovate: datasource=repology depName=alpine_3_19/git versioning=loose
-ENV GIT_VERSION="2.43.4-r0"
-# renovate: datasource=repology depName=alpine_3_19/openssh-keygen versioning=loose
-ENV OPENSSH_KEYGEN_VERSION="9.6_p1-r0"
+# renovate: datasource=repology depName=alpine_3_20/gcc versioning=loose
+ENV GCC_VERSION="13.2.1_git20240309-r0"
+# renovate: datasource=repology depName=alpine_3_20/ruby versioning=loose
+ENV RUBY_VERSION="3.3.1-r0"
+# renovate: datasource=repology depName=alpine_3_20/git versioning=loose
+ENV GIT_VERSION="2.45.2-r0"
+# renovate: datasource=repology depName=alpine_3_20/openssh-keygen versioning=loose
+ENV OPENSSH_KEYGEN_VERSION="9.7_p1-r3"
 # renovate: datasource=pypi depName=pre-commit versioning=pep440
 ENV PRE_COMMIT_VERSION="3.7.1"
 # renovate: datasource=rubygems depName=mdl versioning=ruby