diff --git a/.travis.yml b/.travis.yml
index 6bf8bdd..c3809ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,12 +10,18 @@ install:
 
 before_script:
   - env | sort
+  - wget -qO- 'https://github.com/tianon/pgp-happy-eyeballs/raw/master/hack-my-builds.sh' | bash
   - cd "$VERSION/$VARIANT"
   - image="httpd:${VERSION}${VARIANT:+-$VARIANT}"
 
 script:
-  - travis_retry docker build -t "$image" .
-  - ~/official-images/test/run.sh "$image"
+  - |
+    (
+      set -Eeuo pipefail
+      set -x
+      docker build -t "$image" .
+      ~/official-images/test/run.sh "$image"
+    )
 
 after_script:
   - docker images
diff --git a/2.4/Dockerfile b/2.4/Dockerfile
index b2af982..1e98418 100644
--- a/2.4/Dockerfile
+++ b/2.4/Dockerfile
@@ -110,6 +110,7 @@ RUN set -eux; \
 		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2; \
+	command -v gpgconf && gpgconf --kill all || :; \
 	rm -rf "$GNUPGHOME" httpd.tar.bz2.asc; \
 	\
 	mkdir -p src; \
diff --git a/2.4/alpine/Dockerfile b/2.4/alpine/Dockerfile
index 73b6273..1f3e1d5 100644
--- a/2.4/alpine/Dockerfile
+++ b/2.4/alpine/Dockerfile
@@ -91,6 +91,7 @@ RUN set -eux; \
 		gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
 	done; \
 	gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2; \
+	command -v gpgconf && gpgconf --kill all || :; \
 	rm -rf "$GNUPGHOME" httpd.tar.bz2.asc; \
 	\
 	mkdir -p src; \