diff --git a/tools/toolchain/scripts/stage4/install_cosma.sh b/tools/toolchain/scripts/stage4/install_cosma.sh
index af5084e01a..7bfa69aeff 100755
--- a/tools/toolchain/scripts/stage4/install_cosma.sh
+++ b/tools/toolchain/scripts/stage4/install_cosma.sh
@@ -6,10 +6,10 @@
 [ "${BASH_SOURCE[0]}" ] && SCRIPT_NAME="${BASH_SOURCE[0]}" || SCRIPT_NAME=$0
 SCRIPT_DIR="$(cd "$(dirname "$SCRIPT_NAME")/.." && pwd -P)"
 
-cosma_ver="2.6.5"
-cosma_sha256="10d9b7ecc1ce44ec5b9e0c0bf89278a63029912ec3ea99661be8576b553ececf"
-costa_ver="2.2"
-costa_sha256="3e7333f012af76ec3508276ea90800313f6136504667021fe229e710bf6acdc7"
+cosma_ver="2.6.6"
+cosma_sha256="e54caf70c154b5d94eeee6f9f7faac51bc21030e0b0b4f1f63d01e885faeade4"
+costa_ver="2.2.1"
+costa_sha256="aa8aa2a4a79de094f857c22293825de270ff72becd6bd736ff9f2dd8c192446d"
 tiled_mm_ver="2.2"
 tiled_mm_sha256="6d0b49c9588ece744166822fd44a7bc5bec3dc666b836de8bf4bf1a7bb675aac"