diff --git a/security/gpgme-cpp/Makefile b/security/gpgme-cpp/Makefile
index 4ebbb431c472..d0efcd04d7a1 100644
--- a/security/gpgme-cpp/Makefile
+++ b/security/gpgme-cpp/Makefile
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-PORTREVISION=	0
+PORTREVISION=	1
 PKGNAMESUFFIX=	-${SLAVEPORT}
 
 MAINTAINER=	jhale@FreeBSD.org
diff --git a/security/gpgme/files/patch-git-key.h b/security/gpgme/files/patch-git-key.h
new file mode 100644
index 000000000000..7de9451c408b
--- /dev/null
+++ b/security/gpgme/files/patch-git-key.h
@@ -0,0 +1,29 @@
+The operator< should be const, so it can be applied to const Signatures.
+This fixes a build failure in security/libkleo.
+
+diff --git lang/cpp/src/key.cpp lang/cpp/src/key.cpp
+index e536d080..7411e9e4 100644
+--- lang/cpp/src/key.cpp
++++ lang/cpp/src/key.cpp
+@@ -865,7 +865,7 @@ UserID::Signature::Signature(const shared_gpgme_key_t &k, gpgme_user_id_t u, gpg
+ {
+ }
+ 
+-bool UserID::Signature::operator<(const Signature &other)
++bool UserID::Signature::operator<(const Signature &other) const
+ {
+     // based on cmp_signodes() in g10/keylist.c
+ 
+diff --git lang/cpp/src/key.h lang/cpp/src/key.h
+index a7931672..57001a03 100644
+--- lang/cpp/src/key.h
++++ lang/cpp/src/key.h
+@@ -468,7 +468,7 @@ public:
+     }
+ 
+     /*! Defines a canonical sort order for signatures of the same user ID. */
+-    bool operator<(const Signature &other);
++    bool operator<(const Signature &other) const;
+ 
+     bool isNull() const
+     {