diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 18e627de7..3ec157d0e 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -22,7 +22,7 @@ on:
       - '.github/workflows/macos.yml'
 
 env:
-  IRRLICHT_TAG: 1.9.0mt2
+  IRRLICHT_TAG: 1.9.0mt3
   MINETEST_GAME_REPO: https://github.com/minetest/minetest_game.git
   MINETEST_GAME_BRANCH: master
   MINETEST_GAME_NAME: minetest_game
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a99159934..cabce627f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ stages:
   - deploy
 
 variables:
-  IRRLICHT_TAG: "1.9.0mt2"
+  IRRLICHT_TAG: "1.9.0mt3"
   MINETEST_GAME_REPO: "https://github.com/minetest/minetest_game.git"
   CONTAINER_IMAGE: registry.gitlab.com/$CI_PROJECT_PATH
 
diff --git a/util/buildbot/buildwin32.sh b/util/buildbot/buildwin32.sh
index 1fd779eff..8ce9d4bd4 100755
--- a/util/buildbot/buildwin32.sh
+++ b/util/buildbot/buildwin32.sh
@@ -30,7 +30,7 @@ if [ -z "$toolchain_file" ]; then
 fi
 echo "Using $toolchain_file"
 
-irrlicht_version=1.9.0mt2
+irrlicht_version=1.9.0mt3
 ogg_version=1.3.4
 vorbis_version=1.3.7
 curl_version=7.76.1
diff --git a/util/buildbot/buildwin64.sh b/util/buildbot/buildwin64.sh
index 7989e6eb6..0e09f010f 100755
--- a/util/buildbot/buildwin64.sh
+++ b/util/buildbot/buildwin64.sh
@@ -30,7 +30,7 @@ if [ -z "$toolchain_file" ]; then
 fi
 echo "Using $toolchain_file"
 
-irrlicht_version=1.9.0mt2
+irrlicht_version=1.9.0mt3
 ogg_version=1.3.4
 vorbis_version=1.3.7
 curl_version=7.76.1
diff --git a/util/ci/common.sh b/util/ci/common.sh
index 70a1bedaf..47b6650ce 100644
--- a/util/ci/common.sh
+++ b/util/ci/common.sh
@@ -11,7 +11,7 @@ install_linux_deps() {
 		shift
 		pkgs+=(libirrlicht-dev)
 	else
-		wget "https://github.com/minetest/irrlicht/releases/download/1.9.0mt2/ubuntu-bionic.tar.gz"
+		wget "https://github.com/minetest/irrlicht/releases/download/1.9.0mt3/ubuntu-bionic.tar.gz"
 		sudo tar -xaf ubuntu-bionic.tar.gz -C /usr/local
 	fi