diff --git a/scripts/test.sh b/scripts/test.sh
index 6f0547d34..630aade59 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -72,7 +72,7 @@ build_wolfssl()
 
 build_tss2()
 {
-	TSS2_REV=3.2.3
+	TSS2_REV=4.2.0
 	TSS2_PKG=tpm2-tss-$TSS2_REV
 	TSS2_DIR=$DEPS_BUILD_DIR/$TSS2_PKG
 	TSS2_SRC=https://github.com/tpm2-software/tpm2-tss/releases/download/$TSS2_REV/$TSS2_PKG.tar.gz