diff --git a/packages/windows/assembly/Heimdal.Kerberos.manifest.in b/packages/windows/assembly/Heimdal.Kerberos.manifest.in
index a509cc146..dc14415a7 100644
--- a/packages/windows/assembly/Heimdal.Kerberos.manifest.in
+++ b/packages/windows/assembly/Heimdal.Kerberos.manifest.in
@@ -4,12 +4,12 @@
 		    processorArchitecture="@cpu@"
 		    version="@version@"
 		    publicKeyToken="@pkt@" />
-  <file name="heimdal.dll" />
-  <file name="com_err.dll" />
-  <file name="heimntlm.dll" />
-  <file name="gssapi.dll" />
-  <file name="heimdal.pdb" />
-  <file name="com_err.pdb" />
-  <file name="heimntlm.pdb" />
-  <file name="gssapi.pdb" />
+  <file name="heimdal.dll" hashalg="SHA1" />
+  <file name="com_err.dll" hashalg="SHA1" />
+  <file name="heimntlm.dll" hashalg="SHA1" />
+  <file name="gssapi.dll" hashalg="SHA1" />
+  <file name="heimdal.pdb" hashalg="SHA1" />
+  <file name="com_err.pdb" hashalg="SHA1" />
+  <file name="heimntlm.pdb" hashalg="SHA1" />
+  <file name="gssapi.pdb" hashalg="SHA1" />
 </assembly>