diff --git a/.github/workflows/scripts/linux/build-dependencies-qt.sh b/.github/workflows/scripts/linux/build-dependencies-qt.sh
index b41e3cb090..6daaddc6c8 100755
--- a/.github/workflows/scripts/linux/build-dependencies-qt.sh
+++ b/.github/workflows/scripts/linux/build-dependencies-qt.sh
@@ -9,22 +9,22 @@ fi
 
 INSTALLDIR="$1"
 NPROCS="$(getconf _NPROCESSORS_ONLN)"
-SDL=SDL2-2.30.0
-QT=6.6.1
+SDL=SDL2-2.30.1
+QT=6.6.2
 LIBBACKTRACE=ad106d5fdd5d960bd33fae1c48a351af567fd075
 
 mkdir -p deps-build
 cd deps-build
 
 cat > SHASUMS <<EOF
-36e2e41557e0fa4a1519315c0f5958a87ccb27e25c51776beb6f1239526447b0  $SDL.tar.gz
+01215ffbc8cfc4ad165ba7573750f15ddda1f971d5a66e9dcaffd37c587f473a  $SDL.tar.gz
 fd6f417fe9e3a071cf1424a5152d926a34c4a3c5070745470be6cf12a404ed79  $LIBBACKTRACE.zip
-450c5b4677b2fe40ed07954d7f0f40690068e80a94c9df86c2c905ccd59d02f7  qtbase-everywhere-src-$QT.tar.xz
-ac4ed08950072e375be662cfa64fdb447dd6e935cf29c56a4128d1500492188f  qtimageformats-everywhere-src-$QT.tar.xz
-248deb56d26a463cf3162f530358ccf90cfb654bbf518bb35ddf81b205e09228  qtsvg-everywhere-src-$QT.tar.xz
-4939105a7345ab4e19e7caee8654a836e65bd41910359623e0f233f3aff0914a  qttools-everywhere-src-$QT.tar.xz
-668702e822ad7150b27e7caa2158595fd9b3b77ffbc8262e6509872a3920ee88  qttranslations-everywhere-src-$QT.tar.xz
-66cc2d632dc07fc6cc4e35247f48b7c1753276ccbf86e86d7b24d799725568b1  qtwayland-everywhere-src-$QT.tar.xz
+b89b426b9852a17d3e96230ab0871346574d635c7914480a2a27f98ff942677b  qtbase-everywhere-src-$QT.tar.xz
+71584c9136d4983ad19fa2d017abbae57b055eb90c62a36bf3f45d6d21a87cb3  qtimageformats-everywhere-src-$QT.tar.xz
+5a231d59ef1b42bfbaa5174d4ff39f8e1b4ba070ef984a70b069b4b2576d8181  qtsvg-everywhere-src-$QT.tar.xz
+e6d49e9f52111287f77878ecb8b708cce682f10b03ba2476d9247603bc6c4746  qttools-everywhere-src-$QT.tar.xz
+ca3ac090ef3aa12566c26b482c106f1f986c5a3444e7003f379726a550530c77  qttranslations-everywhere-src-$QT.tar.xz
+9bcdd5cef7ae304e3e0435dac495367ccfb010d09f664b596ba330361941dd78  qtwayland-everywhere-src-$QT.tar.xz
 EOF
 
 curl -L \
diff --git a/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json b/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json
index ec1735591b..57350a803a 100644
--- a/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json
+++ b/.github/workflows/scripts/linux/flatpak/modules/20-sdl2.json
@@ -28,8 +28,8 @@
   "sources": [
     {
       "type": "archive",
-      "url": "https://libsdl.org/release/SDL2-2.30.0.tar.gz",
-      "sha256": "36e2e41557e0fa4a1519315c0f5958a87ccb27e25c51776beb6f1239526447b0"
+      "url": "https://libsdl.org/release/SDL2-2.30.1.tar.gz",
+      "sha256": "01215ffbc8cfc4ad165ba7573750f15ddda1f971d5a66e9dcaffd37c587f473a"
     }
   ],
   "cleanup": [
diff --git a/.github/workflows/scripts/macos/build-dependencies.sh b/.github/workflows/scripts/macos/build-dependencies.sh
index a63f1faf43..ee99d98e9f 100755
--- a/.github/workflows/scripts/macos/build-dependencies.sh
+++ b/.github/workflows/scripts/macos/build-dependencies.sh
@@ -11,14 +11,14 @@ export MACOSX_DEPLOYMENT_TARGET=11.0
 
 INSTALLDIR="$1"
 NPROCS="$(getconf _NPROCESSORS_ONLN)"
-SDL=SDL2-2.30.0
+SDL=SDL2-2.30.1
 XZ=5.4.5
 ZSTD=1.5.5
 LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
 PNG=1.6.37
 WEBP=1.3.2
 FFMPEG=6.0
-QT=6.6.0
+QT=6.6.2
 
 mkdir -p deps-build
 cd deps-build
@@ -29,18 +29,18 @@ export CFLAGS="-I$INSTALLDIR/include $CFLAGS"
 export CXXFLAGS="-I$INSTALLDIR/include $CXXFLAGS"
 
 cat > SHASUMS <<EOF
-36e2e41557e0fa4a1519315c0f5958a87ccb27e25c51776beb6f1239526447b0  $SDL.tar.gz
+01215ffbc8cfc4ad165ba7573750f15ddda1f971d5a66e9dcaffd37c587f473a  $SDL.tar.gz
 135c90b934aee8fbc0d467de87a05cb70d627da36abe518c357a873709e5b7d6  xz-$XZ.tar.gz
 9c4396cc829cfae319a6e2615202e82aad41372073482fce286fac78646d3ee4  zstd-$ZSTD.tar.gz
 0728800155f3ed0a0c87e03addbd30ecbe374f7b080678bbca1506051d50dec3  $LZ4.tar.gz
 505e70834d35383537b6491e7ae8641f1a4bed1876dbfe361201fc80868d88ca  libpng-$PNG.tar.xz
 2a499607df669e40258e53d0ade8035ba4ec0175244869d1025d460562aa09b4  libwebp-$WEBP.tar.gz
 57be87c22d9b49c112b6d24bc67d42508660e6b718b3db89c44e47e289137082  ffmpeg-$FFMPEG.tar.xz
-039d53312acb5897a9054bd38c9ccbdab72500b71fdccdb3f4f0844b0dd39e0e  qtbase-everywhere-src-$QT.tar.xz
-e1542cb50176e237809895c6549598c08587c63703d100be54ac2d806834e384  qtimageformats-everywhere-src-$QT.tar.xz
-33da25fef51102f564624a7ea3e57cb4a0a31b7b44783d1af5749ac36d3c72de  qtsvg-everywhere-src-$QT.tar.xz
-4e9feebc142bbb6e453e1dc3277e09ec45c8ef081b5ee2a029e6684b5905ba99  qttools-everywhere-src-$QT.tar.xz
-a0d89a236f64b810eb0fe4ae1e90db22b0e86263521b35f89e69f1392815078c  qttranslations-everywhere-src-$QT.tar.xz
+b89b426b9852a17d3e96230ab0871346574d635c7914480a2a27f98ff942677b  qtbase-everywhere-src-$QT.tar.xz
+71584c9136d4983ad19fa2d017abbae57b055eb90c62a36bf3f45d6d21a87cb3  qtimageformats-everywhere-src-$QT.tar.xz
+5a231d59ef1b42bfbaa5174d4ff39f8e1b4ba070ef984a70b069b4b2576d8181  qtsvg-everywhere-src-$QT.tar.xz
+e6d49e9f52111287f77878ecb8b708cce682f10b03ba2476d9247603bc6c4746  qttools-everywhere-src-$QT.tar.xz
+ca3ac090ef3aa12566c26b482c106f1f986c5a3444e7003f379726a550530c77  qttranslations-everywhere-src-$QT.tar.xz
 EOF
 
 curl -L \
diff --git a/.github/workflows/scripts/windows/build-dependencies.bat b/.github/workflows/scripts/windows/build-dependencies.bat
index 64978f286c..91fe69d0b5 100644
--- a/.github/workflows/scripts/windows/build-dependencies.bat
+++ b/.github/workflows/scripts/windows/build-dependencies.bat
@@ -37,16 +37,16 @@ echo INSTALLDIR=%INSTALLDIR%
 
 cd "%BUILDDIR%"
 
-set QT=6.6.1
+set QT=6.6.2
 set QTMINOR=6.6
-set SDL=SDL2-2.30.0
+set SDL=SDL2-2.30.1
 
-call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 80b0c02b6018630cd40639ac9fc8e5c1d8eec14d8fe3e6dfa76343e3ba8b78d9 || goto error
-call :downloadfile "qtbase-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtbase-everywhere-src-%QT%.zip" 818f92518d1a89ee98ae818891a7d2f0e41aa45b933d55215da2df6d5459428e || goto error
-call :downloadfile "qtimageformats-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtimageformats-everywhere-src-%QT%.zip" 03f01042f86b4dbf7329a179f20835817c660a183178c11570cc0535b3c3ba58 || goto error
-call :downloadfile "qtsvg-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtsvg-everywhere-src-%QT%.zip" d44d5ead8d4682f54c91687b5e32f2735f086419e3889e05609feae1a7f02da9 || goto error
-call :downloadfile "qttools-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qttools-everywhere-src-%QT%.zip" a17eba4e1c00dbd62c13d708c2bc918c2954b2b25a94d3c05e891d62e8f187c8 || goto error
-call :downloadfile "qttranslations-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qttranslations-everywhere-src-%QT%.zip" e5ccf0eefd6b1ef9604fdf57f6d16ad8484d07fb141ca3a2d9c3f1771296ae25 || goto error
+call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" c15ded54e9f32f8a1f9ed3e3dc072837a320ed23c5d0e95b7c18ecbe05c1187b || goto error
+call :downloadfile "qtbase-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtbase-everywhere-src-%QT%.zip" 3582dbc46df280365fc5d5e6cc8fcfc72ddbddbd330a03a98eec24b8b44fa4d0 || goto error
+call :downloadfile "qtimageformats-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtimageformats-everywhere-src-%QT%.zip" 2176b623c9141b1136d57ff9ca1ed12e3636146b53c6feed2083e1cbecff6454 || goto error
+call :downloadfile "qtsvg-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtsvg-everywhere-src-%QT%.zip" 84ba758ef06b93532f2d098f0d08d7bbddf6f3e6273c9e0d3a58498338f85b18 || goto error
+call :downloadfile "qttools-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qttools-everywhere-src-%QT%.zip" c760fbd229de8a02e793fa41ddd6843cd2cb9c93a4e99bc5384c646599aee996 || goto error
+call :downloadfile "qttranslations-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qttranslations-everywhere-src-%QT%.zip" a061e8d61eb7c03823ead92fe46b5722ed7b8119aeb84157d80f10a53c77d262 || goto error
 
 if %DEBUG%==1 (
   echo Building debug and release libraries...
diff --git a/cmake/SearchForStuff.cmake b/cmake/SearchForStuff.cmake
index 9ddaea692c..71f7aed9a0 100644
--- a/cmake/SearchForStuff.cmake
+++ b/cmake/SearchForStuff.cmake
@@ -90,7 +90,7 @@ endif(WIN32)
 find_package(Threads REQUIRED)
 
 # Also need SDL2.
-find_package(SDL2 2.30.0 REQUIRED)
+find_package(SDL2 2.30.1 REQUIRED)
 
 set(ACTUALLY_ENABLE_TESTS ${ENABLE_TESTS})
 if(ENABLE_TESTS)
@@ -139,7 +139,7 @@ disable_compiler_warnings_for_target(cubeb)
 disable_compiler_warnings_for_target(speex)
 
 # Find the Qt components that we need.
-find_package(Qt6 6.6.0 COMPONENTS CoreTools Core GuiTools Gui WidgetsTools Widgets LinguistTools REQUIRED)
+find_package(Qt6 6.6.2 COMPONENTS CoreTools Core GuiTools Gui WidgetsTools Widgets LinguistTools REQUIRED)
 
 if(WIN32)
   add_subdirectory(3rdparty/rainterface EXCLUDE_FROM_ALL)