diff --git a/scripts/ci-test-extensions b/scripts/ci-test-extensions
index 7370066..1bfa2dc 100755
--- a/scripts/ci-test-extensions
+++ b/scripts/ci-test-extensions
@@ -328,7 +328,7 @@ testExtensionFor() {
 	printf ' - Docker image: %s\n' "$testExtensionFor_Image"
 	testExtensionFor_out="$(mktemp)"
 	testExtensionFor_start=$(date +%s)
-	if $(docker run --rm --volume "$CI_BUILD_DIR:/app" --env CI=true --env IPE_FIX_CACERTS=1 --env IPE_ASPELL_LANGUAGES='en fr' --workdir /app "$testExtensionFor_Image" sh -c "./install-php-extensions $1 && php ./scripts/check-installed-extension.php $1" >"$testExtensionFor_out" 2>&1); then
+	if $(docker run --rm --volume "$CI_BUILD_DIR:/app" --env CI=true --env IPE_FIX_CACERTS=1 --env IPE_ASPELL_LANGUAGES='en fr' --workdir /app "$testExtensionFor_Image" sh -c "./scripts/fix-jessie-keyring && ./install-php-extensions $1 && php ./scripts/check-installed-extension.php $1" >"$testExtensionFor_out" 2>&1); then
 		testExtensionFor_end=$(date +%s)
 		testExtensionFor_delta=$(expr $testExtensionFor_end - $testExtensionFor_start)
 		rm -rf "$testExtensionFor_out"
diff --git a/scripts/fix-jessie-keyring b/scripts/fix-jessie-keyring
new file mode 100755
index 0000000..a58ab0b
--- /dev/null
+++ b/scripts/fix-jessie-keyring
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Let's set a sane environment
+set -o errexit
+set -o nounset
+
+if grep -q 'VERSION="8 (jessie)"' /etc/os-release; then
+	echo 'Fix Debian Jessie keyring'
+	curl -o /tmp/debian-archive-keyring.deb -sSLf http://ftp.debian.org/debian/pool/main/d/debian-archive-keyring/debian-archive-keyring_2019.1+deb10u1_all.deb
+	dpkg -i /tmp/debian-archive-keyring.deb
+	rm -rf /tmp/debian-archive-keyring.deb
+fi