diff --git a/python3.12.spec b/python3.12.spec
index 86b91e7..dd8c09c 100644
--- a/python3.12.spec
+++ b/python3.12.spec
@@ -14,7 +14,7 @@ URL: https://www.python.org/
 #  WARNING  When rebasing to a new Python version,
 #           remember to update the python3-docs package as well
 %global general_version %{pybasever}.0
-%global prerel rc2
+%global prerel rc3
 %global upstream_version %{general_version}%{?prerel}
 Version: %{general_version}%{?prerel:~%{prerel}}
 Release: 1%{?dist}
@@ -1658,6 +1658,9 @@ CheckPython optimized
 # ======================================================
 
 %changelog
+* Tue Sep 19 2023 Miro Hrončok <mhroncok@redhat.com> - 3.12.0~rc3-1
+- Update to 3.12.0rc3
+
 * Wed Sep 06 2023 Tomáš Hrnčiar <thrnciar@redhat.com> - 3.12.0~rc2-1
 - Update to 3.12.0rc2
 
diff --git a/sources b/sources
index 7155d07..fdda1c3 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (Python-3.12.0rc2.tar.xz) = 102fbce1db186e95df586eeb56e7a3c2c9dee388670aef9c9caf4eb652cad528291601186c8dee5653f064b2f606ccac37bcb81d5afe77853db768bc4291f8a4
-SHA512 (Python-3.12.0rc2.tar.xz.asc) = e5cd0952fe20f7b5022be3bc057eb83ae64304640f0761bbf08382be733ed7e6ed75c113b844e827903634c701641644298f26e2d6624857760eda1908382428
+SHA512 (Python-3.12.0rc3.tar.xz) = a256147099add2da96f7dc97f965ec342317c0c021f4702ed38718e64d90a28356a266cd2786c10baab6d07bd9dc111f1c1d66ca7dc92e93674e339e990a8a83
+SHA512 (Python-3.12.0rc3.tar.xz.asc) = 224d4402b96d6f5938d0eec83a3e494e25b4d883f9466c653788b86fc4ce5ab26ac8d9891f7aa20a6bd4766a5bc47fbe19afbc27db9148071b6b215bbdcc32f6