diff --git a/3.11/Dockerfile b/3.11/Dockerfile
index 5f0f8e0..eac2238 100644
--- a/3.11/Dockerfile
+++ b/3.11/Dockerfile
@@ -6,7 +6,7 @@ LABEL \
         "Dockerfile"="https://github.com/endial/docker-alpine" \
         "Vendor"="Endial Fang (endial@126.com)"
 
-ENV GOSU_VERSION 1.11
+ENV GOSU_VERSION 1.12
 
 RUN set -eux; \
 	\
@@ -25,7 +25,7 @@ RUN set -eux; \
 # verify the signature
 	export GNUPGHOME="$(mktemp -d)"; \
 # for flaky keyservers, consider https://github.com/tianon/pgp-happy-eyeballs, ala https://github.com/docker-library/php/pull/666
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4; \
+	gpg --keyserver hkps://keys.openpgp.org --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4; \
 	gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu; \
 	command -v gpgconf && gpgconf --kill all || :; \
 	rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc; \