diff --git a/.gitignore b/.gitignore
index 3c4d59d..255ec54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /LMDB_0.9.25.tar.gz
 /LMDB_0.9.26.tar.gz
 /LMDB_0.9.27.tar.gz
+/LMDB_0.9.28.tar.gz
diff --git a/lmdb.spec b/lmdb.spec
index 028f240..fc9d590 100644
--- a/lmdb.spec
+++ b/lmdb.spec
@@ -1,25 +1,27 @@
+Name:           lmdb
+Version:        0.9.28
+Release:        1%{?dist}
+Summary:        Memory-mapped key-value database
+License:        OpenLDAP
+URL:            http://symas.com/mdb
+
+# Main source is retrieved from OpenLDAP GitLab
+%global forgeurl    https://git.openldap.org/openldap/openldap
+%global tag         LMDB_%{version}
+# Tag checkout includes commit in archive name
+%global commit      51a29155e1609f325e4155556f242bc58b7d8287
 # The files themselves are in several subdirectories and need to be prefixed wit this.
 %global archive_path libraries/lib%{name}
 
-# Archive from GitLab tag contains the commit hash in the top-level directory name
-%global commit_hash 3c9aa9df8497ad977e0f91347f0626f5d53c9ab7
-
-Name:           lmdb
-Version:        0.9.27
-Release:        2%{?dist}
-Summary:        Memory-mapped key-value database
-
-License:        OpenLDAP
-URL:            http://symas.com/mdb/
-Source0:        https://git.openldap.org/openldap/openldap/-/archive/LMDB_%{version}.tar.gz
+Source0:        %{forgeurl}/-/archive/%{tag}.tar.gz
 Source1:        lmdb.pc.in
 # Patch description in the corresponding file
 Patch0:         lmdb-make.patch
 Patch1:         lmdb-s390-check.patch
 
-BuildRequires: make
-BuildRequires: gcc
-BuildRequires: doxygen
+BuildRequires:  make
+BuildRequires:  gcc
+BuildRequires:  doxygen
 
 %description
 LMDB is an ultra-fast, ultra-compact key-value embedded data
@@ -52,7 +54,7 @@ The %{name}-doc package contains automatically generated documentation for %{nam
 
 
 %prep
-%autosetup -p1 -n openldap-LMDB_%{version}-%{commit_hash}
+%autosetup -p1 -n openldap-%{tag}-%{commit}
 
 
 %build
@@ -120,6 +122,10 @@ popd
 
 
 %changelog
+* Mon Feb 08 2021 Jan Staněk <jstanek@redhat.com> - 0.9.28-1
+- Upgrade to version 0.9.28
+- Specfile refactoring
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.27-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index b8748a6..a76f21d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (LMDB_0.9.27.tar.gz) = bbd469cb00fbf2503575048b2c60e289e6bc2a59cdaafae23d2032203eff1ee0d934a76d95850810b61131c11e8aa9933057f60f286c6b21218f20721e54f517
+SHA512 (LMDB_0.9.28.tar.gz) = 5125a8f19483ca727237932b68f4832832df3aff0c3999d2f5d76cf8b9719a785d97b06ca0fa9262fdf03a5c94f2261cb0250cc26a6d0101410dd411f25753b1