diff --git a/squid-5.2.tar.xz b/squid-5.2.tar.xz
deleted file mode 100644
index f6f713b..0000000
--- a/squid-5.2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ea921f055c6cc4b3c6542d995f5a7c5980f2f91adaaa10fe8260d0f1527aaf80
-size 2553872
diff --git a/squid-5.2.tar.xz.asc b/squid-5.2.tar.xz.asc
deleted file mode 100644
index a3776b8..0000000
--- a/squid-5.2.tar.xz.asc
+++ /dev/null
@@ -1,25 +0,0 @@
-File: squid-5.2.tar.xz
-Date: Sun 03 Oct 2021 15:15:35 UTC
-Size: 2553872
-MD5 : 102984f3ea382a1fa5bd917c2ee155ec
-SHA1: 0568a55c8bf20fbcbfadf126347f3e790945e5d2
-Key : CD6DBF8EF3B17D3E <squid3@treenet.co.nz>
-            B068 84ED B779 C89B 044E  64E3 CD6D BF8E F3B1 7D3E
-      keyring = http://www.squid-cache.org/pgp.asc
-      keyserver = pool.sks-keyservers.net
------BEGIN PGP SIGNATURE-----
-
-iQIzBAABCgAdFiEEsGiE7bd5yJsETmTjzW2/jvOxfT4FAmFZySIACgkQzW2/jvOx
-fT6sUBAArqj2/hn+a1okSuUWef2x0AtEKXy18aaYTJxF20yq3nNO1jLZYUY9dgpo
-I0R32a8liygQPtfb+FFzQjkoIfpgEsmskndS0/jlOicY7ljw4MfHCLCtmc1xzPIs
-UErI4SFR1H3aIa4yAmbQEhjuCWqBOzLt/UBzOupF89hofT57CZhVNoYgO2IWFu3+
-j2eZmq6nZbBBHBJG3II+FiFuPhTpuiMxdQ1WN84a+XklhIatOWVW8ALX/hBT12KC
-Z9SxixgZQFpCQ9uNfpoCsMVrhWS9tJnUmnOiziWIEKgVHnPOh/uQLxxZvvSUc8Ag
-aUAM2DcDx3QWw1RLx/kJPfpCt2tHEHGfGpd7U5LcTEfDYIyjfwnVF9L1kGuHaT+k
-RW96vq9NFikSKmyEKRZ3EUZNqXJE3dd6pYpOO3GjHRr2fBn1D+UpV90vswTWBrzX
-7gO8aPnnD8/uD6h6pFSBNpAAKpEBS9watDRBlTIEsivaTeZxzob7dk9ZiK8cjsRQ
-jhVTvwQw9r5ong50y1pg5APD3wwipNUjHVMD45XQNbxZAGsZMPnvA0vDFECKJ6iG
-CVwpOc48Fkl6frY0ByddCES4lWzgkkfYtPQGkPYxhOGhaqiRXO8kjk0/Dbw4AJW1
-BoHM9DydPohXuNQZIA19v7lcYvQShCmp3xbUoQ45AwZno4DpAAA=
-=PQ84
------END PGP SIGNATURE-----
diff --git a/squid-5.3.tar.xz b/squid-5.3.tar.xz
new file mode 100644
index 0000000..d568d67
--- /dev/null
+++ b/squid-5.3.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:45178588df1311ded41ebadd632840c4d93a8d7f5f60e38e74acf2f1ae2f1715
+size 2553980
diff --git a/squid-5.3.tar.xz.asc b/squid-5.3.tar.xz.asc
new file mode 100644
index 0000000..ab6428b
--- /dev/null
+++ b/squid-5.3.tar.xz.asc
@@ -0,0 +1,25 @@
+File: squid-5.3.tar.xz
+Date: Tue 07 Dec 2021 14:18:26 UTC
+Size: 2553980
+MD5 : 9249f30169ab6600e53b4f9b8129b3b0
+SHA1: d3a8310c725616fa7565d60f3bf8fdf5fa20b15a
+Key : CD6DBF8EF3B17D3E <squid3@treenet.co.nz>
+            B068 84ED B779 C89B 044E  64E3 CD6D BF8E F3B1 7D3E
+      keyring = http://www.squid-cache.org/pgp.asc
+      keyserver = pool.sks-keyservers.net
+-----BEGIN PGP SIGNATURE-----
+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+=GW6M
+-----END PGP SIGNATURE-----
diff --git a/squid.changes b/squid.changes
index 8e03943..3a7e122 100644
--- a/squid.changes
+++ b/squid.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sat Dec 11 09:36:41 UTC 2021 - Dirk Müller <dmueller@suse.com>
+
+- update to 5.3:
+  * Bug 5169: StoreMap.cc:517 "!s.reading()" assertion
+  * Bug 5158: AnyP::Uri::host() mishandles [escaped] IPv6 addresses
+  * Bug 5060: Parallel builds are not reliable
+  * Documentation updates for logformat directive
+
 -------------------------------------------------------------------
 Tue Nov 23 15:20:27 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
 
diff --git a/squid.spec b/squid.spec
index a6dfe23..f800d64 100644
--- a/squid.spec
+++ b/squid.spec
@@ -24,7 +24,7 @@
 %define         squidhelperdir %{_sbindir}
 %endif
 Name:           squid
-Version:        5.2
+Version:        5.3
 Release:        0
 Summary:        Caching and forwarding HTTP web proxy
 License:        GPL-2.0-or-later
@@ -46,7 +46,7 @@ Source16:       initialize_cache_if_needed.sh
 Source17:       tmpfilesdir.squid.conf
 Patch1:         missing_installs.patch
 Patch2:         old_nettle_compat.patch
-Patch3:	harden_squid.service.patch
+Patch3:         harden_squid.service.patch
 BuildRequires:  cppunit-devel
 BuildRequires:  expat
 BuildRequires:  fdupes