diff --git a/pkgs/build-support/vm/default.nix b/pkgs/build-support/vm/default.nix
index d63d17e23f8f..7b383118a061 100644
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@@ -1032,22 +1032,22 @@ rec {
     };
 
     debian11i386 = {
-      name = "debian-11.5-bullseye-i386";
-      fullName = "Debian 11.5 Bullseye (i386)";
+      name = "debian-11.6-bullseye-i386";
+      fullName = "Debian 11.6 Bullseye (i386)";
       packagesList = fetchurl {
-        url = "https://snapshot.debian.org/archive/debian/20221126T084953Z/dists/bullseye/main/binary-i386/Packages.xz";
-        hash = "sha256-tHrWSd4K5TCwIaLTPqK/Rcon0O0r+Jsxb7OcchOo8Vo=";
+        url = "https://snapshot.debian.org/archive/debian/20230131T034648Z/dists/bullseye/main/binary-i386/Packages.xz";
+        hash = "sha256-z9eG7RlvelEnZAaeCfIO+XxTZVL3d+zTA7ShU43l/pw=";
       };
       urlPrefix = "mirror://debian";
       packages = commonDebianPackages;
     };
 
     debian11x86_64 = {
-      name = "debian-11.5-bullseye-amd64";
-      fullName = "Debian 11.5 Bullseye (amd64)";
+      name = "debian-11.6-bullseye-amd64";
+      fullName = "Debian 11.6 Bullseye (amd64)";
       packagesList = fetchurl {
-        url = "https://snapshot.debian.org/archive/debian/20221126T084953Z/dists/bullseye/main/binary-amd64/Packages.xz";
-        hash = "sha256-whpBERKOPyhrWguVQ2QchrwRHU4tCkGwu42x6khF/2g=";
+        url = "https://snapshot.debian.org/archive/debian/20230131T034648Z/dists/bullseye/main/binary-amd64/Packages.xz";
+        hash = "sha256-mz0eCWdn6uWt40OxsSPheHzEnMeLE52yR/vpb48/VF0=";
       };
       urlPrefix = "mirror://debian";
       packages = commonDebianPackages;