diff --git a/openssl-ibmca.spec b/openssl-ibmca.spec
index c51c671..63276b4 100644
--- a/openssl-ibmca.spec
+++ b/openssl-ibmca.spec
@@ -7,6 +7,8 @@ Release: 2%{?dist}
 License: ASL 2.0
 URL: https://github.com/opencryptoki
 Source0: https://github.com/opencryptoki/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
+# https://github.com/opencryptoki/openssl-ibmca/pull/74
+Patch0: openssl-ibmca-2.2.1-libica-4.patch
 Requires: libica >= 3.8.0
 BuildRequires: make
 BuildRequires: gcc