diff --git a/base64-bytestring-1.2.0.1.tar.gz b/base64-bytestring-1.2.0.1.tar.gz
deleted file mode 100644
index 63adc55..0000000
--- a/base64-bytestring-1.2.0.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:af09b17d072eb1391d91e30b4186dd1797330647ef79268ecd7fcce8f5afc638
-size 13650
diff --git a/base64-bytestring-1.2.1.0.tar.gz b/base64-bytestring-1.2.1.0.tar.gz
new file mode 100644
index 0000000..744be42
--- /dev/null
+++ b/base64-bytestring-1.2.1.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fbf8ed30edde271eb605352021431d8f1b055f95a56af31fe2eacf6bdfdc49c9
+size 13743
diff --git a/ghc-base64-bytestring.changes b/ghc-base64-bytestring.changes
index fdfd539..868f560 100644
--- a/ghc-base64-bytestring.changes
+++ b/ghc-base64-bytestring.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Fri Aug 13 09:51:57 UTC 2021 - psimons@suse.com
+
+- Update base64-bytestring to version 1.2.1.0.
+  # 1.2.1.0
+
+  * Bugfix for GHC 9.0.1 memory corruption bug ([#46](https://github.com/haskell/base64-bytestring/pull/46))
+    * Thanks to [Fraser Tweedale](https://github.com/frasertweedale) and [Andrew Lelechenko](https://github.com/bodigrim) for logging and helping with this fix.
+
 -------------------------------------------------------------------
 Thu Dec 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
  
diff --git a/ghc-base64-bytestring.spec b/ghc-base64-bytestring.spec
index e56ce74..8fe5451 100644
--- a/ghc-base64-bytestring.spec
+++ b/ghc-base64-bytestring.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ghc-base64-bytestring
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,7 +19,7 @@
 %global pkg_name base64-bytestring
 %bcond_with tests
 Name:           ghc-%{pkg_name}
-Version:        1.2.0.1
+Version:        1.2.1.0
 Release:        0
 Summary:        Fast base64 encoding and decoding for ByteStrings
 License:        BSD-3-Clause