diff --git a/.github/workflows/scripts/linux/build-dependencies-qt.sh b/.github/workflows/scripts/linux/build-dependencies-qt.sh
index bfbfac895337f..dacd74751c60c 100755
--- a/.github/workflows/scripts/linux/build-dependencies-qt.sh
+++ b/.github/workflows/scripts/linux/build-dependencies-qt.sh
@@ -19,7 +19,7 @@ LIBJPEG=9f
 LIBPNG=1.6.43
 LIBWEBP=1.3.2
 LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
-SDL=SDL2-2.30.3
+SDL=SDL2-2.30.4
 QT=6.7.1
 ZSTD=1.5.5
 
@@ -37,7 +37,7 @@ fd6f417fe9e3a071cf1424a5152d926a34c4a3c5070745470be6cf12a404ed79  $LIBBACKTRACE.
 6a5ca0652392a2d7c9db2ae5b40210843c0bbc081cbd410825ab00cc59f14a6c  libpng-$LIBPNG.tar.xz
 2a499607df669e40258e53d0ade8035ba4ec0175244869d1025d460562aa09b4  libwebp-$LIBWEBP.tar.gz
 0728800155f3ed0a0c87e03addbd30ecbe374f7b080678bbca1506051d50dec3  $LZ4.tar.gz
-820440072f8f5b50188c1dae104f2ad25984de268785be40c41a099a510f0aec  $SDL.tar.gz
+59c89d0ed40d4efb23b7318aa29fe7039dbbc098334b14f17f1e7e561da31a26  $SDL.tar.gz
 9c4396cc829cfae319a6e2615202e82aad41372073482fce286fac78646d3ee4  zstd-$ZSTD.tar.gz
 b7338da1bdccb4d861e714efffaa83f174dfe37e194916bfd7ec82279a6ace19  qtbase-everywhere-src-$QT.tar.xz
 a733b98f771064d000476b8861f822143982749448ba8abf9f1813edb8dfe79f  qtimageformats-everywhere-src-$QT.tar.xz
diff --git a/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json b/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json
index 20baa81195250..829175a299c13 100644
--- a/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json
+++ b/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json
@@ -14,8 +14,8 @@
   "sources": [
     {
       "type": "archive",
-      "url": "https://libsdl.org/release/SDL2-2.30.3.tar.gz",
-      "sha256": "820440072f8f5b50188c1dae104f2ad25984de268785be40c41a099a510f0aec"
+      "url": "https://libsdl.org/release/SDL2-2.30.4.tar.gz",
+      "sha256": "59c89d0ed40d4efb23b7318aa29fe7039dbbc098334b14f17f1e7e561da31a26"
     }
   ],
   "cleanup": [
diff --git a/.github/workflows/scripts/macos/build-dependencies.sh b/.github/workflows/scripts/macos/build-dependencies.sh
index cba8cd4f1499d..a4dc1516af1a4 100755
--- a/.github/workflows/scripts/macos/build-dependencies.sh
+++ b/.github/workflows/scripts/macos/build-dependencies.sh
@@ -22,7 +22,7 @@ fi
 
 FREETYPE=2.13.2
 HARFBUZZ=8.3.1
-SDL=SDL2-2.30.3
+SDL=SDL2-2.30.4
 ZSTD=1.5.5
 LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
 LIBPNG=1.6.43
@@ -56,7 +56,7 @@ CMAKE_COMMON=(
 cat > SHASUMS <<EOF
 12991c4e55c506dd7f9b765933e62fd2be2e06d421505d7950a132e4f1bb484d  freetype-$FREETYPE.tar.xz
 19a54fe9596f7a47c502549fce8e8a10978c697203774008cc173f8360b19a9a  harfbuzz-$HARFBUZZ.tar.gz
-820440072f8f5b50188c1dae104f2ad25984de268785be40c41a099a510f0aec  $SDL.tar.gz
+59c89d0ed40d4efb23b7318aa29fe7039dbbc098334b14f17f1e7e561da31a26  $SDL.tar.gz
 9c4396cc829cfae319a6e2615202e82aad41372073482fce286fac78646d3ee4  zstd-$ZSTD.tar.gz
 0728800155f3ed0a0c87e03addbd30ecbe374f7b080678bbca1506051d50dec3  $LZ4.tar.gz
 6a5ca0652392a2d7c9db2ae5b40210843c0bbc081cbd410825ab00cc59f14a6c  libpng-$LIBPNG.tar.xz
diff --git a/.github/workflows/scripts/windows/build-dependencies.bat b/.github/workflows/scripts/windows/build-dependencies.bat
index b88666d16d131..f403538e03dfa 100644
--- a/.github/workflows/scripts/windows/build-dependencies.bat
+++ b/.github/workflows/scripts/windows/build-dependencies.bat
@@ -47,7 +47,7 @@ set LIBPNG=1643
 set LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
 set QT=6.7.1
 set QTMINOR=6.7
-set SDL=SDL2-2.30.3
+set SDL=SDL2-2.30.4
 set WEBP=1.3.2
 set ZLIB=1.3.1
 set ZLIBSHORT=131
@@ -64,7 +64,7 @@ call :downloadfile "lpng%LIBPNG%.zip" https://download.sourceforge.net/libpng/lp
 call :downloadfile "jpegsr%LIBJPEG%.zip" https://ijg.org/files/jpegsr%LIBJPEG%.zip 6255da8c89e09d694e6800688c76145eb6870a76ac0d36c74fccd61b3940aafa || goto error
 call :downloadfile "libwebp-%WEBP%.tar.gz" "https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-%WEBP%.tar.gz" 2a499607df669e40258e53d0ade8035ba4ec0175244869d1025d460562aa09b4 || goto error
 call :downloadfile "lz4-%LZ4%.zip" "https://github.com/lz4/lz4/archive/%LZ4%.zip" 0c33119688d6b180c7e760b0acd70059222389cfd581632623784bee27e51a31 || goto error
-call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" c5d78a9e0346c6695f03df8ba25e5e111a1e23c8aefa8372a1c5a0dd79acaf10 || goto error
+call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 292d5e2f897aa3acb6b365b605c3249c92916fbe7eba4a2e57573ada3855d7cb || goto error
 call :downloadfile "qtbase-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtbase-everywhere-src-%QT%.zip" 3027fb990cb66436b5476b9dd17cd58f23b55a42eb1c1bcf9c7d78bca3ad7d63 || goto error
 call :downloadfile "qtimageformats-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtimageformats-everywhere-src-%QT%.zip" f30065289517847d721467827ee446a5f606f6d1c750e166cbfb0ed5bf066c5e || goto error
 call :downloadfile "qtsvg-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtsvg-everywhere-src-%QT%.zip" 882d1db58d35155bd92e4ed92b485d7d713b6aff0d7cf78655de0b414a980689 || goto error
diff --git a/cmake/SearchForStuff.cmake b/cmake/SearchForStuff.cmake
index c2e43f83a29be..0315610a9c694 100644
--- a/cmake/SearchForStuff.cmake
+++ b/cmake/SearchForStuff.cmake
@@ -17,7 +17,7 @@ find_package(ZLIB REQUIRED) # v1.3, but Mac uses the SDK version.
 find_package(Zstd 1.5.5 REQUIRED)
 find_package(LZ4 REQUIRED)
 find_package(WebP REQUIRED) # v1.3.2, spews an error on Linux because no pkg-config.
-find_package(SDL2 2.30.3 REQUIRED)
+find_package(SDL2 2.30.4 REQUIRED)
 find_package(Freetype 2.11.1 REQUIRED)
 
 if(USE_VULKAN)