diff --git a/.gitignore b/.gitignore
index c1642ef..5dd6f9d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -389,3 +389,4 @@ network-manager-applet-0.8.1.tar.bz2
 /NetworkManager-1.31.5.tar.xz
 /NetworkManager-1.32.0.tar.xz
 /NetworkManager-1.32.2.tar.xz
+/NetworkManager-1.33.1-0.1.b49a168935.tar.xz
diff --git a/NetworkManager.spec b/NetworkManager.spec
index 67076dc..ec37234 100644
--- a/NetworkManager.spec
+++ b/NetworkManager.spec
@@ -5,11 +5,15 @@
 %global glib2_version %(pkg-config --modversion glib-2.0 2>/dev/null || echo bad)
 
 %global epoch_version 1
-%global rpm_version 1.32.2
-%global real_version 1.32.2
-%global release_version 1
-%global snapshot %{nil}
-%global git_sha %{nil}
+%global rpm_version 1.33.1
+%global release_version 0
+%global snapshot 1
+%global git_sha b49a168935
+%if "x%{?snapshot}" != "x"
+%global real_version %{rpm_version}-%{release_version}.%{snapshot}.%{git_sha}
+%else
+%global real_version %{rpm_version}
+%endif
 
 %global obsoletes_device_plugins 1:0.9.9.95-1
 %global obsoletes_ppp_plugin     1:1.5.3
@@ -1150,6 +1154,9 @@ fi
 
 
 %changelog
+* Fri Jul 16 2021 Gris Ge <fge@redhat.com> - 1.33.1-0.1.b49a168935
+- Upgrade to prerelease 1.33.1-0.1.b49a168935.
+
 * Thu Jul  1 2021 Wen Liang <wenliang@redhat.com> - 1:1.32.2-1
 - update to 1.32.2 release
 - dhcp/systemd: ignore FORCERENEW requests for DHCPV4 (rh #1966123, CVE-2020-13529)
diff --git a/sources b/sources
index 0925f76..178ccb5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (NetworkManager-1.32.2.tar.xz) = 9c7891a1106ebf333344818d29810ae182b284d1966760ec79bafa0618378a5ca68d58ec941357328ae8d4a43473f3916d62e4cfa316a46532773326312c0cc1
+SHA512 (NetworkManager-1.33.1-0.1.b49a168935.tar.xz) = 9ed504e5a3853976eb955b8c7e3dabfda3f445247eb83f0a2c0b4cda0485e29d226e53f3643b5c3f215973a28e3de2b4c1001c71346e5ca6ac25025a872c2f53