diff --git a/.gitignore b/.gitignore
index 14bce22..cc479c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -64,3 +64,10 @@
 /asm-test-9.0.pom
 /asm-tree-9.0.pom
 /asm-util-9.0.pom
+/objectweb-asm-9.1.tar.gz
+/asm-9.1.pom
+/asm-analysis-9.1.pom
+/asm-commons-9.1.pom
+/asm-test-9.1.pom
+/asm-tree-9.1.pom
+/asm-util-9.1.pom
diff --git a/generate-tarball.sh b/generate-tarball.sh
index e6e5c9d..b5a3d3a 100755
--- a/generate-tarball.sh
+++ b/generate-tarball.sh
@@ -6,15 +6,15 @@ version="$(sed -n 's/Version:\s*//p' *.spec)"
 gittag="ASM_${version//./_}"
 
 # RETRIEVE
-wget "https://gitlab.ow2.org/asm/asm/repository/${gittag}/archive.tar.gz#/${name}-${version}.tar.gz" -O "${name}-${version}.orig.tar.gz"
+wget "https://gitlab.ow2.org/asm/asm/-/archive/${gittag}/asm-${gittag}.tar.gz" -O "${name}-${version}.orig.tar.gz"
 
 rm -rf tarball-tmp
 mkdir tarball-tmp
 pushd tarball-tmp
-tar xf "../${name}-${version}.orig.tar.gz"
+tar -xzf "../${name}-${version}.orig.tar.gz"
 
 # Rename dir not to contain commit
-mv asm-${gittag}-* ${name}-${version}
+mv asm-${gittag} ${name}-${version}
 
 # CLEAN TARBALL
 # Remove all jar files
diff --git a/objectweb-asm.spec b/objectweb-asm.spec
index dd84b72..11c0aac 100644
--- a/objectweb-asm.spec
+++ b/objectweb-asm.spec
@@ -1,7 +1,7 @@
 %bcond_with bootstrap
 
 Name:           objectweb-asm
-Version:        9.0
+Version:        9.1
 Release:        1%{?dist}
 Summary:        Java bytecode manipulation and analysis framework
 License:        BSD
@@ -101,6 +101,9 @@ sed -i -e '/testAllMethods_interface/i@org.junit.jupiter.api.Disabled("missing c
 %license LICENSE.txt
 
 %changelog
+* Fri May 14 2021 Marian Koncek <mkoncek@redhat.com> - 9.1-1
+- Update to upstream version 9.1
+
 * Fri Sep 25 2020 Marian Koncek <mkoncek@redhat.com> - 9.0-1
 - Update to upstream version 9.0
 
diff --git a/sources b/sources
index 39f6bd6..49f9fb5 100644
--- a/sources
+++ b/sources
@@ -1,7 +1,7 @@
-SHA512 (objectweb-asm-9.0.tar.gz) = a3c65c0c12f64d032b16d3e872f9e52d6c20fe7caa3a367b2cd606fddbf4d4418ee68ac5775c8822ae18be0942ebb89792431670cad3456829217adac9febe48
-SHA512 (asm-9.0.pom) = 3d7d173d1f536560038934548440325b93b924d555a222043a51508fc23c5f7c5bea144db21b2b2d6eeb1d0ca5bf3d2147c2d9038cae5be3051690fc75d628c0
-SHA512 (asm-analysis-9.0.pom) = 685a7f451906603bbe527a9424988bd64a67b30954bfde201ade4294d0af6986d05ab6dee96b0a5160605a4e2fa6de9b623c2396bb973cca373ba8c1cda60cff
-SHA512 (asm-commons-9.0.pom) = 73173c0032c29a9f9bb0664a38522e2e4bd01f61aed6c3e3ffe2a646a0812d0301df600aeecd216af34f1443ff1a53cb2164ba8f7368e1ed502726ec1f6d8291
-SHA512 (asm-test-9.0.pom) = 5a1f7c10b5c2ec0f5d10d09bc774ab7194c9e95379a12d0967c81e27c182f7430bd2bd5e4137ec3b8b6a6934375f25108639748fbba614d2c389b36e50e51d96
-SHA512 (asm-tree-9.0.pom) = 26e3100382b8cf6f4b6b0c2c9c90faf642e7c5ad69c71aece2e39c1a536be50720bb778742fa4351db99346550f9bfef30c30dedc3458b50681818f87a21d0bd
-SHA512 (asm-util-9.0.pom) = ff1629361724d652ba79dc48327373abe13ae81ea07b75a6c70af87fdbbf3e9dbeedac824f88eeccb7dd3a190a42244fc35a95630fb2620e5dfad87f8fce850f
+SHA512 (objectweb-asm-9.1.tar.gz) = 4cce236397f963e8b707136164c370cfbb1d5167a03545d413f91751df3197ccfeee9f1f34943a77fbb9713ba002e5c9ecf6ddc65adfe6f821304ad6a4fa26f6
+SHA512 (asm-9.1.pom) = 9bdc46e2ee6721d9228b2ae9518a118b38f9cb35cfbf2a0a885f439b6cd8705cd62d6502fb1d6bb83523a1fc0b5d18832a0e231dc9ed4e0ca7fbd83bbf595061
+SHA512 (asm-analysis-9.1.pom) = f94b222e6ea2c964bde42785e43d82dc8ac4d07ad1b8748c6ee0e66ca70a5e3ee2dce0338ada8928b93929436bfc3227d5e2f73573caad67dd57e1bd612c9eec
+SHA512 (asm-commons-9.1.pom) = ea17ae1dc7f732cb87d0bab9d68035b088577ed32b6fca3c70386f56feebbdd467dabe997e27134f8ad7c2133187af763b9c3aad696cce2ba36cf68f3f09b760
+SHA512 (asm-test-9.1.pom) = 1d3c7f7310d9a98136578653b2ace151286683c50c9d377ae27694322ae681913e2ae318ee614c2ef815b0e7a1eb3a31cb37451f366cd6cc0575d4e137fc61cf
+SHA512 (asm-tree-9.1.pom) = d6239bff2d055de63ec2e3c97bee0f07d1fe07113d662f7b75783ebbbf5a1c4435f9a265c27a81ab4bd15d990470ddc9949f1cf3fd9e2c0bedec9fbf65134eac
+SHA512 (asm-util-9.1.pom) = da73aecae4d8c8fb0c1a216c66f38a445cea7b24f3e8898b142f4f1d16d42e34265d49495d721438df4231f33422d4c649d358db6d1123b2e1efefc51381df29