diff --git a/qgis-3.18.2.tar.bz2 b/qgis-3.18.2.tar.bz2
deleted file mode 100644
index 97c47d3..0000000
--- a/qgis-3.18.2.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1913e4d5596bbc8b7d143f3defb18bf376f750a71f334f69d76af5deca7ecc5d
-size 120938468
diff --git a/qgis-3.18.2.tar.bz2.sha256 b/qgis-3.18.2.tar.bz2.sha256
deleted file mode 100644
index e620cb5..0000000
--- a/qgis-3.18.2.tar.bz2.sha256
+++ /dev/null
@@ -1 +0,0 @@
-1913e4d5596bbc8b7d143f3defb18bf376f750a71f334f69d76af5deca7ecc5d  qgis-3.18.2.tar.bz2
diff --git a/qgis-3.18.3.tar.bz2 b/qgis-3.18.3.tar.bz2
new file mode 100644
index 0000000..107cd4e
--- /dev/null
+++ b/qgis-3.18.3.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8935ba2a658aee44286b39af43d4e6ec7c389e780ed2f352cbea60f99ced0b9f
+size 121178524
diff --git a/qgis-3.18.3.tar.bz2.sha256 b/qgis-3.18.3.tar.bz2.sha256
new file mode 100644
index 0000000..6f9b956
--- /dev/null
+++ b/qgis-3.18.3.tar.bz2.sha256
@@ -0,0 +1 @@
+8935ba2a658aee44286b39af43d4e6ec7c389e780ed2f352cbea60f99ced0b9f  qgis-3.18.3.tar.bz2
diff --git a/qgis.changes b/qgis.changes
index 9a581a4..7c4db0e 100644
--- a/qgis.changes
+++ b/qgis.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed May 26 11:52:30 UTC 2021 - Nicolas Rochard <nrochard@gmail.com>
+
+- Update to 3.18.3 (monthly bugfix)
+
 -------------------------------------------------------------------
 Mon Apr 19 14:13:55 UTC 2021 - Nicolas Rochard <nrochard@gmail.com>
 
diff --git a/qgis.spec b/qgis.spec
index f1df525..cbb49a8 100644
--- a/qgis.spec
+++ b/qgis.spec
@@ -24,7 +24,7 @@ Name:           qgis-ltr
 %else
 Name:           qgis
 %endif
-Version:        3.18.2
+Version:        3.18.3
 Release:        0
 Summary:        A Geographic Information System (GIS)
 License:        GPL-2.0-only