diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb.nix b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
index 3c53054ba7d..9a664bc2518 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
@@ -8,7 +8,7 @@
 
 stdenv.mkDerivation rec {
   name = "timescaledb-${version}";
-  version = "1.0.0";
+  version = "1.2.2";
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ postgresql openssl ];
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     owner  = "timescale";
     repo   = "timescaledb";
     rev    = "refs/tags/${version}";
-    sha256 = "1359jc0dw8q3f0iipqfadzs8lvri9qa5w59ziz00x1d09ppw2q40";
+    sha256 = "1fb1ab07jmgd1drinl25mbhwx966f75c7i7nh3ah0xf3cbk298xr";
   };
 
   # Fix the install phase which tries to install into the pgsql extension dir,
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
         --replace 'DESTINATION "''${PG_SHAREDIR}/extension"' "DESTINATION \"$out/share/extension\""
     done
 
-    for x in src/CMakeLists.txt src/loader/CMakeLists.txt; do
+    for x in src/CMakeLists.txt src/loader/CMakeLists.txt tsl/src/CMakeLists.txt; do
       substituteInPlace "$x" \
         --replace 'DESTINATION ''${PG_PKGLIBDIR}' "DESTINATION \"$out/lib\""
     done
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     description = "Scales PostgreSQL for time-series data via automatic partitioning across time and space";
     homepage    = https://www.timescale.com/;
     maintainers = with maintainers; [ volth ];
-    platforms   = platforms.linux;
+    platforms   = postgresql.meta.platforms;
     license     = licenses.asl20;
   };
 }