diff --git a/libTMCG-1.3.11.tar.gz b/libTMCG-1.3.11.tar.gz
deleted file mode 100644
index 0cdb421..0000000
--- a/libTMCG-1.3.11.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d99080bb2986b3c9332ad03789e492584095731069eccc23ef4b3fcdfc095fbb
-size 1040839
diff --git a/libTMCG-1.3.11.tar.gz.sig b/libTMCG-1.3.11.tar.gz.sig
deleted file mode 100644
index bde4917..0000000
--- a/libTMCG-1.3.11.tar.gz.sig
+++ /dev/null
@@ -1,6 +0,0 @@
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diff --git a/libTMCG-1.3.12.tar.gz b/libTMCG-1.3.12.tar.gz
new file mode 100644
index 0000000..e618181
--- /dev/null
+++ b/libTMCG-1.3.12.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a7b375eb54aaec846b4b05d14f246c6f37308126557e3dd5614fed8a8f711531
+size 1058632
diff --git a/libTMCG-1.3.12.tar.gz.sig b/libTMCG-1.3.12.tar.gz.sig
new file mode 100644
index 0000000..60bc830
--- /dev/null
+++ b/libTMCG-1.3.12.tar.gz.sig
@@ -0,0 +1,6 @@
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diff --git a/libTMCG.changes b/libTMCG.changes
index a042a16..2c4a9ca 100644
--- a/libTMCG.changes
+++ b/libTMCG.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Wed Mar 21 08:03:04 UTC 2018 - kbabioch@suse.com
+
+- Update to 1.3.12:
+  * Added function mpz_lprime_prefix() for k-prefix tweak
+  * Improved strength of oracle hash function g() by second algo
+  * Raised the requirement of libgcrypt version to >= 1.7.0
+  * Improved on RFC4880 handling
+  * mpz_shash: bugfix changes the output of hash function g() 
+
 -------------------------------------------------------------------
 Thu Feb  8 21:12:35 UTC 2018 - kbabioch@suse.com
 
diff --git a/libTMCG.spec b/libTMCG.spec
index 3c04c9d..afa4d3c 100644
--- a/libTMCG.spec
+++ b/libTMCG.spec
@@ -18,9 +18,9 @@
 #
 
 
-%define sover 11
+%define sover 12
 Name:           libTMCG
-Version:        1.3.11
+Version:        1.3.12
 Release:        0
 Summary:        C++ library for creating secure and fair online card games
 License:        GPL-2.0+
@@ -31,7 +31,7 @@ Source2:        https://download.savannah.gnu.org/releases/libtmcg/%{name}-%{ver
 Source3:        https://savannah.nongnu.org/project/memberlist-gpgkeys.php?group=libtmcg&download=1#/%{name}.keyring
 BuildRequires:  gcc-c++
 BuildRequires:  gmp-devel >= 4.2
-BuildRequires:  libgcrypt-devel >= 1.6.0
+BuildRequires:  libgcrypt-devel >= 1.7.0
 BuildRequires:  libgpg-error-devel >= 0.5
 BuildRequires:  pkgconfig
 Requires:       gmp >= 4.2