diff --git a/Dockerfile b/Dockerfile
index fe2e47f..aae5da8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,8 +41,11 @@ RUN set -ex && cd ~ \
     && aws --version \
     && rm -r awscliv2.zip awscliv2.sig aws
 
-# install gh, import pgp key
+# import gh pgp key
 COPY sigs/ghcli_pgp.key /tmp/ghcli_pgp.key
+# add to apt keyring
+RUN gpg --export --armor 23F3D4EA75716059 | apt-key add -
+# install gh
 RUN gpg --import /tmp/ghcli_pgp.key
 RUN set -ex && \
     apt-add-repository https://cli.github.com/packages && \