diff --git a/src/libimcv/plugins/imv_attestation/imv_attestation_process.h b/src/libimcv/plugins/imv_attestation/imv_attestation_process.h
index 078337f46..4d4eeefbb 100644
--- a/src/libimcv/plugins/imv_attestation/imv_attestation_process.h
+++ b/src/libimcv/plugins/imv_attestation/imv_attestation_process.h
@@ -27,6 +27,7 @@
 #include <library.h>
 #include <utils/linked_list.h>
 #include <credentials/credential_manager.h>
+#include <crypto/hashers/hasher.h>
 
 #include <pa_tnc/pa_tnc_attr.h>