diff --git a/.github/workflows/cmake-lx.yml b/.github/workflows/cmake-lx.yml
index 08a9982b..05b56358 100644
--- a/.github/workflows/cmake-lx.yml
+++ b/.github/workflows/cmake-lx.yml
@@ -27,14 +27,60 @@ jobs:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -y libmpg123-dev libvorbis-dev libavformat-dev libavcodec-dev libavutil-dev libswresample-dev
-        sudo apt-get install -y libao-dev audacious-dev libjansson-dev yasm libopus-dev
+        sudo apt-get install -y libvorbis-dev libjansson-dev yasm libopus-dev
 
     - name: Create build environment
       # Some projects don't allow in-source building, so create a separate build directory
       # We'll use this as our working directory for all subsequent commands
       run: cmake -E make_directory ${{runner.workspace}}/build
 
+    - name: Cache celt
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/dependencies/celt-0061
+          ${{runner.workspace}}/dependencies/celt-0110
+          ${{runner.workspace}}/build/dependencies/celt-0061/libcelt/.libs
+          ${{runner.workspace}}/build/dependencies/celt-0110/libcelt/.libs
+        key: linux-celt-${{ hashFiles('cmake/dependencies/celt.cmake') }}
+
+    - name: Cache ffmpeg
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/build/dependencies/ffmpeg/bin/usr/local/include
+          ${{runner.workspace}}/build/dependencies/ffmpeg/bin/usr/local/lib
+        key: linux-ffmpeg-${{ hashFiles('cmake/dependencies/ffmpeg.cmake') }}
+
+    - name: Cache atrac9
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/build/dependencies/LibAtrac9/bin
+        key: linux-atrac9-${{ hashFiles('cmake/dependencies/atrac9.cmake') }}
+
+    - name: Cache g719
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/build/dependencies/libg719_decode/libg719_decode.a
+        key: linux-g719-${{ hashFiles('cmake/dependencies/g719.cmake') }}
+
+    - name: Cache mpg123
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/dependencies/mpg123
+          ${{runner.workspace}}/build/dependencies/mpg123/src/libmpg123/.libs
+        key: linux-mpg123-${{ hashFiles('cmake/dependencies/mpg123.cmake') }}
+
+    - name: Cache speex
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/build/dependencies/speex/libspeex/.libs
+        key: linux-speex-${{ hashFiles('cmake/dependencies/speex.cmake') }}
+
     - name: Configure CMake
       # Use a bash shell so we can use the same syntax for environment variable
       # access regardless of the host operating system
diff --git a/.github/workflows/cmake-wasm.yml b/.github/workflows/cmake-wasm.yml
index 67c5b987..9b4d1cec 100644
--- a/.github/workflows/cmake-wasm.yml
+++ b/.github/workflows/cmake-wasm.yml
@@ -31,6 +31,60 @@ jobs:
     - name: Create build environment
       run: cmake -E make_directory ${{runner.workspace}}/embuild
 
+    - name: Cache celt
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/dependencies/celt-0061
+          ${{runner.workspace}}/dependencies/celt-0110
+          ${{runner.workspace}}/embuild/dependencies/celt-0061/libcelt/.libs
+          ${{runner.workspace}}/embuild/dependencies/celt-0110/libcelt/.libs
+        key: wasm-celt-${{ hashFiles('cmake/dependencies/celt.cmake') }}
+
+    - name: Cache ffmpeg
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/embuild/dependencies/ffmpeg/bin/usr/local/include
+          ${{runner.workspace}}/embuild/dependencies/ffmpeg/bin/usr/local/lib
+        key: wasm-ffmpeg-${{ hashFiles('cmake/dependencies/ffmpeg.cmake') }}
+
+    - name: Cache atrac9
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/embuild/dependencies/LibAtrac9/bin
+        key: wasm-atrac9-${{ hashFiles('cmake/dependencies/atrac9.cmake') }}
+
+    - name: Cache g719
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/embuild/dependencies/libg719_decode/libg719_decode.a
+        key: wasm-g719-${{ hashFiles('cmake/dependencies/g719.cmake') }}
+
+    - name: Cache speex
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/embuild/dependencies/speex/libspeex/.libs
+        key: wasm-speex-${{ hashFiles('cmake/dependencies/speex.cmake') }}
+
+    - name: Cache ogg
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/embuild/dependencies/ogg/libogg.a
+          ${{runner.workspace}}/embuild/dependencies/ogg/include
+        key: wasm-ogg-${{ hashFiles('cmake/dependencies/ogg.cmake') }}
+
+    - name: Cache vorbis
+      uses: actions/cache@v2
+      with:
+        path: |
+          ${{runner.workspace}}/embuild/dependencies/vorbis/lib/*.a
+        key: wasm-vorbis-${{ hashFiles('cmake/dependencies/vorbis.cmake') }}
+
     - name: Configure CMake
       shell: bash
       working-directory: ${{runner.workspace}}/embuild
diff --git a/cmake/dependencies/g719.cmake b/cmake/dependencies/g719.cmake
index 6df599d5..eafe2335 100644
--- a/cmake/dependencies/g719.cmake
+++ b/cmake/dependencies/g719.cmake
@@ -6,11 +6,21 @@ if(NOT WIN32 AND USE_G719)
 	)
 	
 	if(G719_PATH)
+		set(G719_LINK_PATH ${G719_BIN}/libg719_decode.a)
+		
 		configure_file(
 			${VGM_SOURCE_DIR}/ext_libs/libg719_decode/CMakeLists.txt
 			${G719_PATH}/CMakeLists.txt
 		COPYONLY)
-		add_subdirectory(${G719_PATH} ${G719_BIN} EXCLUDE_FROM_ALL)
+		
+		if(EXISTS ${G719_LINK_PATH})
+			add_library(g719_decode STATIC IMPORTED)
+			set_target_properties(g719_decode PROPERTIES
+				IMPORTED_LOCATION ${G719_LINK_PATH}
+			)
+		else()
+			add_subdirectory(${G719_PATH} ${G719_BIN} EXCLUDE_FROM_ALL)
+		endif()
 	endif()
 endif()
 if(NOT USE_G719)
diff --git a/cmake/dependencies/ogg.cmake b/cmake/dependencies/ogg.cmake
index b3d3074c..b9aa4fbe 100644
--- a/cmake/dependencies/ogg.cmake
+++ b/cmake/dependencies/ogg.cmake
@@ -14,7 +14,17 @@ if(NOT WIN32 AND USE_VORBIS)
 		)
 		
 		if(OGG_PATH)
-			add_subdirectory(${OGG_PATH} ${OGG_BIN} EXCLUDE_FROM_ALL)
+			set(OGG_LINK_PATH ${OGG_BIN}/libogg.a)
+			
+			if(EXISTS ${OGG_LINK_PATH} AND EXISTS ${OGG_BIN}/include)
+				add_library(ogg STATIC IMPORTED)
+				set_target_properties(ogg PROPERTIES
+					IMPORTED_LOCATION ${OGG_LINK_PATH}
+				)
+			else()
+				add_subdirectory(${OGG_PATH} ${OGG_BIN} EXCLUDE_FROM_ALL)
+			endif()
+			
 			set(OGG_INCLUDE_DIR ${OGG_PATH}/include ${OGG_BIN}/include)
 			set(OGG_LIBRARY ogg)
 		endif()
diff --git a/cmake/dependencies/vorbis.cmake b/cmake/dependencies/vorbis.cmake
index 23857a14..3ce0be07 100644
--- a/cmake/dependencies/vorbis.cmake
+++ b/cmake/dependencies/vorbis.cmake
@@ -14,7 +14,22 @@ if(NOT WIN32 AND USE_VORBIS)
 		)
 		
 		if(VORBIS_PATH)
-			add_subdirectory(${VORBIS_PATH} ${VORBIS_BIN} EXCLUDE_FROM_ALL)
+			set(VORBIS_LINK_PATH ${VORBIS_BIN}/lib/libvorbis.a)
+			set(VORBISFILE_LINK_PATH ${VORBIS_BIN}/lib/libvorbisfile.a)
+			
+			if(EXISTS ${VORBIS_LINK_PATH} AND EXISTS ${VORBISFILE_LINK_PATH})
+				add_library(vorbis STATIC IMPORTED)
+				set_target_properties(vorbis PROPERTIES
+					IMPORTED_LOCATION ${VORBIS_LINK_PATH}
+				)
+				add_library(vorbisfile STATIC IMPORTED)
+				set_target_properties(vorbisfile PROPERTIES
+					IMPORTED_LOCATION ${VORBISFILE_LINK_PATH}
+				)
+			else()
+				add_subdirectory(${VORBIS_PATH} ${VORBIS_BIN} EXCLUDE_FROM_ALL)
+			endif()
+			
 			set(OGG_VORBIS_INCLUDE_DIR ${VORBIS_PATH}/include)
 			set(OGG_VORBIS_LIBRARY vorbis)