diff --git a/.github/scripts/precheck/precheckBuild.sh b/.github/scripts/precheck/precheckBuild.sh
index 4106ffe..b812928 100644
--- a/.github/scripts/precheck/precheckBuild.sh
+++ b/.github/scripts/precheck/precheckBuild.sh
@@ -18,6 +18,8 @@
 export SKIP_PDK_BUILD=${1:-0}
 export TARGET_PATH=$(pwd)
 
+apt-get install tcl tk tcl-develop tk-develop
+
 export MAGIC_ROOT=./magic
 git clone --depth=1 --branch 8.3.263 https://github.com/RTimothyEdwards/magic.git ${MAGIC_ROOT}
 cd $MAGIC_ROOT