diff --git a/scripts/git_sort/tests/opensuse-15.4/Dockerfile b/scripts/git_sort/tests/opensuse-15.4/Dockerfile
index 639ee32..1d5cbc7 100644
--- a/scripts/git_sort/tests/opensuse-15.4/Dockerfile
+++ b/scripts/git_sort/tests/opensuse-15.4/Dockerfile
@@ -10,7 +10,9 @@ RUN zypper -n in git python3 python3-dbm rcs
 RUN git config --global user.email "you@example.com"
 RUN git config --global user.name "Your Name"
 
-RUN zypper -n ar -G https://download.opensuse.org/repositories/Kernel:/tools/SLE_15_SP4/Kernel:tools.repo
+COPY Kernel.gpg /tmp
+RUN rpmkeys --import /tmp/Kernel.gpg
+RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_15_SP4/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/opensuse-tumbleweed/Dockerfile b/scripts/git_sort/tests/opensuse-tumbleweed/Dockerfile
index 205d2c8..af6cfbc 100644
--- a/scripts/git_sort/tests/opensuse-tumbleweed/Dockerfile
+++ b/scripts/git_sort/tests/opensuse-tumbleweed/Dockerfile
@@ -10,7 +10,9 @@ RUN zypper -n in git python3 python3-dbm python3-pygit2 rcs util-linux
 RUN git config --global user.email "you@example.com"
 RUN git config --global user.name "Your Name"
 
-RUN zypper -n ar -G https://download.opensuse.org/repositories/Kernel:/tools/openSUSE_Factory/Kernel:tools.repo
+COPY Kernel.gpg /tmp
+RUN rpmkeys --import /tmp/Kernel.gpg
+RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/openSUSE_Factory/Kernel:tools.repo
 RUN zypper -n in --from Kernel_tools quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/run_all.sh b/scripts/git_sort/tests/run_all.sh
index 8f69eb9..f63ab5b 100755
--- a/scripts/git_sort/tests/run_all.sh
+++ b/scripts/git_sort/tests/run_all.sh
@@ -10,8 +10,10 @@ for release in \
 	opensuse-tumbleweed \
 	; do
 	echo "Building container image for $release..."
+	cp -a $libdir/../../lib/SUSE/Kernel.gpg $libdir/$release
 	docker build -q -t gs-test-$release "$libdir/$release"
 	ret=$?
+	rm -f $libdir/$release/Kernel.gpg
 	[ $ret -eq 0 ] || exit $?
 	echo "Running tests in $release:"
 	docker run --rm --name=gs-test-$release \
diff --git a/scripts/git_sort/tests/sle12-sp4/Dockerfile b/scripts/git_sort/tests/sle12-sp4/Dockerfile
index e0c545b..49d8f9c 100644
--- a/scripts/git_sort/tests/sle12-sp4/Dockerfile
+++ b/scripts/git_sort/tests/sle12-sp4/Dockerfile
@@ -2,13 +2,13 @@
 FROM registry.suse.de/suse/containers/sle-server/12-sp4/containers/suse/sles12sp4:latest AS base
 
 RUN rpm -e container-suseconnect
-RUN zypper -n ar -G http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
-RUN zypper -n ar -G http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
-RUN zypper -n ar -G http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
-RUN zypper -n ar -G http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
-RUN zypper -n ar -G http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
+RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
+RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
+RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
+RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
+RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
 # RUN zypper -n ar -G http://updates.suse.de/SUSE/Products/SLE-SDK/12-SP4/$(rpm -E %_arch)/product/ SDK
-RUN zypper -n ar -G http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP4/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP4:$(rpm -E %_arch).repo
+RUN zypper -n ar http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP4/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP4:$(rpm -E %_arch).repo
 
 RUN zypper -n ref
 
@@ -19,7 +19,9 @@ RUN zypper -n in git-core python3 python3-dbm rcs
 RUN git config --global user.email "you@example.com"
 RUN git config --global user.name "Your Name"
 
-RUN zypper -n ar -G https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP4/Kernel:tools.repo
+COPY Kernel.gpg /tmp
+RUN rpmkeys --import /tmp/Kernel.gpg
+RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP4/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/sle12-sp5/Dockerfile b/scripts/git_sort/tests/sle12-sp5/Dockerfile
index c8b601d..f5e2f58 100644
--- a/scripts/git_sort/tests/sle12-sp5/Dockerfile
+++ b/scripts/git_sort/tests/sle12-sp5/Dockerfile
@@ -2,13 +2,13 @@
 FROM registry.suse.de/suse/containers/sle-server/12-sp5/containers/suse/sles12sp5:latest AS base
 
 RUN rpm -e container-suseconnect
-RUN zypper -n ar -G http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
-RUN zypper -n ar -G http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
-RUN zypper -n ar -G http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
-RUN zypper -n ar -G http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
-RUN zypper -n ar -G http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
+RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
+RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
+RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
+RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
+RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
 # RUN zypper -n ar -G http://updates.suse.de/SUSE/Products/SLE-SDK/12-SP5/$(rpm -E %_arch)/product/ SDK
-RUN zypper -n ar -G http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP5/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP5:$(rpm -E %_arch).repo
+RUN zypper -n ar http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP5/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP5:$(rpm -E %_arch).repo
 
 RUN zypper -n ref
 
@@ -19,7 +19,9 @@ RUN zypper -n in git-core python3 python3-dbm rcs
 RUN git config --global user.email "you@example.com"
 RUN git config --global user.name "Your Name"
 
-RUN zypper -n ar -G https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP5/Kernel:tools.repo
+COPY Kernel.gpg /tmp
+RUN rpmkeys --import /tmp/Kernel.gpg
+RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP5/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/sle15/Dockerfile b/scripts/git_sort/tests/sle15/Dockerfile
index bdd0f25..002074f 100644
--- a/scripts/git_sort/tests/sle15/Dockerfile
+++ b/scripts/git_sort/tests/sle15/Dockerfile
@@ -2,8 +2,8 @@
 FROM registry.suse.de/suse/containers/sle-server/15/containers/bci/python:3.6 AS base
 
 RUN rpm -e container-suseconnect
-RUN zypper -n ar -G http://download.suse.de/ibs/SUSE:/SLE-15:/GA/standard/SUSE:SLE-15:GA.repo
-RUN zypper -n ar -G http://download.suse.de/ibs/SUSE:/SLE-15:/Update/standard/SUSE:SLE-15:Update.repo
+RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-15:/GA/standard/SUSE:SLE-15:GA.repo
+RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-15:/Update/standard/SUSE:SLE-15:Update.repo
 RUN zypper -n ref
 
 FROM base AS packages
@@ -13,7 +13,9 @@ RUN zypper -n in git-core python3 python3-dbm rcs awk
 RUN git config --global user.email "you@example.com"
 RUN git config --global user.name "Your Name"
 
-RUN zypper -n ar -G https://download.opensuse.org/repositories/Kernel:/tools/SLE_15/Kernel:tools.repo
+COPY Kernel.gpg /tmp
+RUN rpmkeys --import /tmp/Kernel.gpg
+RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_15/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages
diff --git a/scripts/lib/SUSE/Kernel.gpg b/scripts/lib/SUSE/Kernel.gpg
new file mode 100644
index 0000000..4d7dbc7
--- /dev/null
+++ b/scripts/lib/SUSE/Kernel.gpg
@@ -0,0 +1,20 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.5 (GNU/Linux)
+
+mQENBFEaM/IBCADo3+2CX4/tZoGIooy7QF8+J94rwr7Tov3kXFADlXr+aG7zHMrz
+r398QiSCmLsE7kJ8DcapHH+TaYrpy5yuS06RV4euhlJjo2+SHEcSzTGDIjrPTDvM
+8KZE3CWZgyRTVZnTq7bRPtVhSIzkTPNyJe1AMMDZH8YYgDgo0zleZWR3w3VA75dC
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+jsRPwMa3DqdijMtrGaWTtdcAn20WA8ufB0LM8evtkMiv4PmlYfEz
+=ehs+
+-----END PGP PUBLIC KEY BLOCK-----