Fix versioning issue with Dockerfile.

reproducible-builds/docker/dependencies.txt

@@ -3,6 +3,6 @@ libncurses5:i386=6.2-1
 libstdc++6:i386=10.2.0-3
 lib32z1=1:1.2.11.dfsg-2
 wget=1.20.3-1+b3
-openjdk-8-jdk=8u265-b01-0+deb9u1
+openjdk-8-jdk=8u252-b09-1
 git=1:2.28.0-1
 unzip=6.0-25

reproducible-builds/docker/sources.list

@@ -1,3 +1,2 @@
-deb http://httpredir.debian.org/debian/ stretch main
-deb http://security.debian.org/ stretch/updates main
+deb http://snapshot.debian.org/archive/debian-security/20200731T201723Z stretch/updates main
 deb http://snapshot.debian.org/archive/debian/20200731T211026Z/ unstable main