diff --git a/system/base/pam/pspec.xml b/system/base/pam/pspec.xml
index f460cc50..c9437ccf 100644
--- a/system/base/pam/pspec.xml
+++ b/system/base/pam/pspec.xml
@@ -21,6 +21,7 @@
         <BuildDependencies>
             <Dependency versionFrom="2.0.0">libnsl-devel</Dependency>
             <Dependency>audit-devel</Dependency>
+            <Dependency>libtirpc-devel</Dependency>
         </BuildDependencies>
         <!--Patches>
             <Patch level="1">CVE-2020-27780.patch</Patch>