diff --git a/Dockerfiles/Dockerfile.jessie b/Dockerfiles/Dockerfile.jessie
index 6a2bc40..2a2c88c 100644
--- a/Dockerfiles/Dockerfile.jessie
+++ b/Dockerfiles/Dockerfile.jessie
@@ -66,6 +66,18 @@ ENV RUNTIME_TOOLS \
 	curl
 
 
+###
+### Fix expiring apt keys
+###
+RUN set -eux \
+	&& echo 'Acquire::Check-Valid-Until no;' > /etc/apt/apt.conf.d/99no-check-valid-until \
+	&& { \
+		echo "deb [trusted=yes] http://deb.debian.org/debian jessie main"; \
+		echo "deb [trusted=yes] http://security.debian.org/debian-security jessie/updates main"; \
+		echo "deb [trusted=yes] http://deb.debian.org/debian jessie-updates main"; \
+	} > /etc/apt/sources.list
+
+
 ###
 ### Build OpenSSL
 ###