diff --git a/feature-detection.patch b/feature-detection.patch
index 6c54050..286403f 100644
--- a/feature-detection.patch
+++ b/feature-detection.patch
@@ -1,5 +1,5 @@
 diff --git a/c-ext/backend_c.c b/c-ext/backend_c.c
-index e31dd15..a5d9dee 100644
+index 9aa7a5c..f67191a 100644
 --- a/c-ext/backend_c.c
 +++ b/c-ext/backend_c.c
 @@ -210,6 +210,20 @@ void zstd_module_init(PyObject *m) {
@@ -24,7 +24,7 @@ index e31dd15..a5d9dee 100644
          return;
      }
 diff --git a/setup_zstd.py b/setup_zstd.py
-index 399b129..d940c80 100644
+index 5aefdd0..3d8fe73 100644
 --- a/setup_zstd.py
 +++ b/setup_zstd.py
 @@ -78,6 +78,7 @@ def get_c_extension(
@@ -34,9 +34,9 @@ index 399b129..d940c80 100644
 +        extra_args.append("-DSYSTEM_ZSTD")
      else:
          extra_args.append("-DZSTD_SINGLE_FILE")
-         extra_args.append("-DZSTDLIB_VISIBILITY=")
+         extra_args.append("-DZSTDLIB_VISIBLE=")
 diff --git a/tests/test_module_attributes.py b/tests/test_module_attributes.py
-index d487aa8..15cda73 100644
+index a540bfe..a081b1a 100644
 --- a/tests/test_module_attributes.py
 +++ b/tests/test_module_attributes.py
 @@ -26,7 +26,15 @@ class TestModuleAttributes(unittest.TestCase):
diff --git a/python-zstandard.changes b/python-zstandard.changes
index d571e24..8b82452 100644
--- a/python-zstandard.changes
+++ b/python-zstandard.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Tue Feb 21 11:33:11 UTC 2023 - Martin Liška <mliska@suse.cz>
+
+- Update to version 0.20.0
+  * This will likely be the last release officially supporting Python 3.6.
+    Python 3.6 is end of life as of 2021-12-23.
+  * Bundled zstd library upgraded from 1.5.2 to 1.5.4.
+  * Use of the deprecated ZSTD_copyDCtx() was removed from the C and
+    Rust backends.
+
 -------------------------------------------------------------------
 Fri Feb 17 12:46:17 UTC 2023 - Martin Liška <mliska@suse.cz>
 
diff --git a/python-zstandard.spec b/python-zstandard.spec
index 0bbf71c..2583643 100644
--- a/python-zstandard.spec
+++ b/python-zstandard.spec
@@ -18,7 +18,7 @@
 
 %define skip_python2 1
 Name:           python-zstandard
-Version:        0.19.0
+Version:        0.20.0
 Release:        0
 Summary:        Zstandard bindings for Python
 License:        BSD-3-Clause
diff --git a/zstandard-0.19.0.tar.gz b/zstandard-0.19.0.tar.gz
deleted file mode 100644
index b6a6465..0000000
--- a/zstandard-0.19.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:31d12fcd942dd8dbf52ca5f6b1bbe287f44e5d551a081a983ff3ea2082867863
-size 633245
diff --git a/zstandard-0.20.0.tar.gz b/zstandard-0.20.0.tar.gz
new file mode 100644
index 0000000..097b26f
--- /dev/null
+++ b/zstandard-0.20.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:613daadd72c71b1488742cafb2c3b381c39d0c9bb8c6cc157aa2d5ea45cc2efc
+size 658909