diff --git a/lib/Makefile.m32 b/lib/Makefile.m32
index 6b9726e36f5378530d96cddde023f90719ef7efd..1b8a9675fbb743455b924cc90dae35670e37b954 100644
--- a/lib/Makefile.m32
+++ b/lib/Makefile.m32
@@ -29,7 +29,7 @@ LIBSSH2_PATH = ../../libssh2-0.18
 endif
 # Edit the path below to point to the base of your libidn package.
 ifndef LIBIDN_PATH
-LIBIDN_PATH = ../../libidn-1.9
+LIBIDN_PATH = ../../libidn-1.11
 endif
 # Edit the path below to point to the base of your Novell LDAP NDK.
 ifndef LDAP_SDK
diff --git a/lib/Makefile.netware b/lib/Makefile.netware
index a1f3ff1eebbae9812e828748b7ad92d10f235b49..80476ef0c7bb3b4f4b8ead8adce7f40226450d27 100644
--- a/lib/Makefile.netware
+++ b/lib/Makefile.netware
@@ -30,7 +30,7 @@ endif
 
 # Edit the path below to point to the base of your libidn package.
 ifndef LIBIDN_PATH
-LIBIDN_PATH = ../../libidn-1.9
+LIBIDN_PATH = ../../libidn-1.11
 endif
 
 ifndef INSTDIR
diff --git a/src/Makefile.m32 b/src/Makefile.m32
index b4088885d5a882b549fc4da01895b45752fdebd0..857606aefc6a7a8cc08c103bfcaa970ba4488570 100644
--- a/src/Makefile.m32
+++ b/src/Makefile.m32
@@ -29,7 +29,7 @@ LIBSSH2_PATH = ../../libssh2-0.18
 endif
 # Edit the path below to point to the base of your libidn package.
 ifndef LIBIDN_PATH
-LIBIDN_PATH = ../../libidn-1.9
+LIBIDN_PATH = ../../libidn-1.11
 endif
 # Edit the path below to point to the base of your Novell LDAP NDK.
 ifndef LDAP_SDK
diff --git a/src/Makefile.netware b/src/Makefile.netware
index 25e2115ea7467794e58d5f1b0c002ea1e1a96b37..1ec0b82548ed27b09554e8e77a13b10db033dff8 100644
--- a/src/Makefile.netware
+++ b/src/Makefile.netware
@@ -30,7 +30,7 @@ endif
 
 # Edit the path below to point to the base of your libidn package.
 ifndef LIBIDN_PATH
-LIBIDN_PATH = ../../libidn-1.9
+LIBIDN_PATH = ../../libidn-1.11
 endif
 
 ifndef INSTDIR