diff --git a/tests/runtest.sh b/tests/runtest.sh
index 27a4c6a..deb0bed 100755
--- a/tests/runtest.sh
+++ b/tests/runtest.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # get tpm simulator code
-IBMTPM_VERSION=1637
+IBMTPM_VERSION=1661
 wget --no-check-certificate https://downloads.sourceforge.net/project/ibmswtpm2/ibmtpm$IBMTPM_VERSION.tar.gz
 
 res="$?"
@@ -16,6 +16,9 @@ mkdir ibmtpm
 pushd ibmtpm
 tar xf ../ibmtpm$IBMTPM_VERSION.tar.gz
 pushd src
+# fixup for openssl 3
+sed -i -e "s|OPENSSL_VERSION_NUMBER >= 0x10200000L|OPENSSL_VERSION_NUMBER > 0x30000000L|" TpmToOsslMath.h
+sed -i -e "s|CCFLAGS = -Wall|CCFLAGS = -Wall -Wno-error=deprecated-declarations|" makefile
 make
 
 res="$?"