diff --git a/install.sh b/install.sh
index 5097b15d68643adbad8da6f6ead3f6755139d98e..bde1779f9d2c594f2da37978ff951da52d666d85 100755
--- a/install.sh
+++ b/install.sh
@@ -3,7 +3,7 @@ set -e
 set -x
 
 # use snapshot repos for deterministic package versions
-DATE="20211214T000000Z"
+DATE="20220208T000000Z"
 cat << EOF > /etc/apt/sources.list
 deb http://snapshot.debian.org/archive/debian/${DATE}/ bullseye main
 deb http://snapshot.debian.org/archive/debian-security/${DATE}/ bullseye-security main