diff --git a/postgresql-timescale/postgresql-timescale.spec b/postgresql-timescale/postgresql-timescale.spec
index c94deaac57..7b781c99b7 100644
--- a/postgresql-timescale/postgresql-timescale.spec
+++ b/postgresql-timescale/postgresql-timescale.spec
@@ -22,8 +22,8 @@
 ##
 
 #   package version
-%define       V_opkg 2.3.1
-%define       V_dist 2.3.1
+%define       V_opkg 2.4.2
+%define       V_dist 2.4.2
 
 #   package information
 Name:         postgresql-timescale
@@ -36,10 +36,10 @@ Class:        EVAL
 Group:        Database
 License:      Apache
 Version:      %{V_opkg}
-Release:      20210707
+Release:      20210921
 
 #   list of sources
-Source0:      https://github.com/timescale/timescaledb/releases/download/%{V_dist}/timescaledb-%{V_dist}.tar.lzma
+Source0:      https://github.com/timescale/timescaledb/archive/refs/tags/%{V_dist}.tar.gz
 Patch0:       postgresql-timescale.patch
 
 #   build information
@@ -64,7 +64,7 @@ PreReq:       postgresql
     }
 
 %prep
-    %setup -q -n timescaledb
+    %setup -q -n timescaledb-%{V_dist}
     %patch -p0
 
 %build