diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 8c385284..5ef0378e 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
     - name: Install build tools
       run: sudo apt-get update && sudo apt-get install build-essential binutils-arm-none-eabi libelf-dev zip -y
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Cache
       uses: actions/cache@v2.1.7
       with:
diff --git a/.github/workflows/build-book.yml b/.github/workflows/build-book.yml
index 53acff48..e533deab 100644
--- a/.github/workflows/build-book.yml
+++ b/.github/workflows/build-book.yml
@@ -21,7 +21,7 @@ jobs:
       run: echo "CARGO_TARGET_DIR=$HOME/target" >> $GITHUB_ENV
     - name: Install build tools
       run: sudo apt-get update && sudo apt-get install build-essential binutils-arm-none-eabi libelf-dev zip -y
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Cache
       uses: actions/cache@v2.1.7
       with:
diff --git a/.github/workflows/linker-script.yml b/.github/workflows/linker-script.yml
index 44f1d8b4..8699a31e 100644
--- a/.github/workflows/linker-script.yml
+++ b/.github/workflows/linker-script.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Check if gba.ld files are identical
         run: find -type f -name gba.ld -print0 | xargs -0 -n1 cmp -- agb/gba.ld
       - name: Check if gba_mb.ld files are identical
diff --git a/.github/workflows/publish-agb.yml b/.github/workflows/publish-agb.yml
index f7f30457..2d7a6d29 100644
--- a/.github/workflows/publish-agb.yml
+++ b/.github/workflows/publish-agb.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Install build tools
         run: sudo apt-get update && sudo apt-get install build-essential binutils-arm-none-eabi zip -y
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Login to crates.io
         run: cargo login ${{ secrets.CRATE_API }}
       - name: Publish agb
diff --git a/.github/workflows/publish-sub-crate.yml b/.github/workflows/publish-sub-crate.yml
index 13240fed..d839bb5c 100644
--- a/.github/workflows/publish-sub-crate.yml
+++ b/.github/workflows/publish-sub-crate.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Install build tools
         run: sudo apt-get update && sudo apt-get install build-essential binutils-arm-none-eabi -y
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Login to crates.io
         run: cargo login ${{ secrets.CRATE_API }}
       - name: Publish crate
diff --git a/.github/workflows/update-lockfiles.yml b/.github/workflows/update-lockfiles.yml
index 2220d0ee..b713c312 100644
--- a/.github/workflows/update-lockfiles.yml
+++ b/.github/workflows/update-lockfiles.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set CARGO_TARGET_DIR
       run: echo "CARGO_TARGET_DIR=$HOME/target" >> $GITHUB_ENV
     - name: Check out repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - uses: extractions/setup-just@v1
     - name: Update lock files
       run: just update-lockfiles
\ No newline at end of file
diff --git a/agb-image-converter/Cargo.lock b/agb-image-converter/Cargo.lock
index bb583f2b..cfdd885c 100644
--- a/agb-image-converter/Cargo.lock
+++ b/agb-image-converter/Cargo.lock
@@ -147,9 +147,9 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.17.3"
+version = "0.17.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8f1882177b17c98ec33a51f5910ecbf4db92ca0def706781a1f8d0c661f393"
+checksum = "02cd7d51cea7e2fa6bbcb8af5fbcad15b871451bfc2d20ed72dff2f4ae072a84"
 dependencies = [
  "bitflags",
  "crc32fast",
diff --git a/agb/Cargo.lock b/agb/Cargo.lock
index 6e94f5ee..16115991 100644
--- a/agb/Cargo.lock
+++ b/agb/Cargo.lock
@@ -215,9 +215,9 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.17.3"
+version = "0.17.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8f1882177b17c98ec33a51f5910ecbf4db92ca0def706781a1f8d0c661f393"
+checksum = "02cd7d51cea7e2fa6bbcb8af5fbcad15b871451bfc2d20ed72dff2f4ae072a84"
 dependencies = [
  "bitflags",
  "crc32fast",
diff --git a/book/games/pong/Cargo.lock b/book/games/pong/Cargo.lock
index bac2e2c3..ad7beaa5 100644
--- a/book/games/pong/Cargo.lock
+++ b/book/games/pong/Cargo.lock
@@ -215,9 +215,9 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.17.3"
+version = "0.17.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8f1882177b17c98ec33a51f5910ecbf4db92ca0def706781a1f8d0c661f393"
+checksum = "02cd7d51cea7e2fa6bbcb8af5fbcad15b871451bfc2d20ed72dff2f4ae072a84"
 dependencies = [
  "bitflags",
  "crc32fast",
diff --git a/examples/the-hat-chooses-the-wizard/Cargo.lock b/examples/the-hat-chooses-the-wizard/Cargo.lock
index 0f2c51a7..72ded3c8 100644
--- a/examples/the-hat-chooses-the-wizard/Cargo.lock
+++ b/examples/the-hat-chooses-the-wizard/Cargo.lock
@@ -221,9 +221,9 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.17.3"
+version = "0.17.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8f1882177b17c98ec33a51f5910ecbf4db92ca0def706781a1f8d0c661f393"
+checksum = "02cd7d51cea7e2fa6bbcb8af5fbcad15b871451bfc2d20ed72dff2f4ae072a84"
 dependencies = [
  "bitflags",
  "crc32fast",
diff --git a/examples/the-purple-night/Cargo.lock b/examples/the-purple-night/Cargo.lock
index b194bba7..7a6b1cdb 100644
--- a/examples/the-purple-night/Cargo.lock
+++ b/examples/the-purple-night/Cargo.lock
@@ -251,9 +251,9 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.17.3"
+version = "0.17.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8f1882177b17c98ec33a51f5910ecbf4db92ca0def706781a1f8d0c661f393"
+checksum = "02cd7d51cea7e2fa6bbcb8af5fbcad15b871451bfc2d20ed72dff2f4ae072a84"
 dependencies = [
  "bitflags",
  "crc32fast",
diff --git a/mgba-test-runner/Cargo.lock b/mgba-test-runner/Cargo.lock
index 976171a0..689ab620 100644
--- a/mgba-test-runner/Cargo.lock
+++ b/mgba-test-runner/Cargo.lock
@@ -363,9 +363,9 @@ checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 
 [[package]]
 name = "png"
-version = "0.17.3"
+version = "0.17.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8f1882177b17c98ec33a51f5910ecbf4db92ca0def706781a1f8d0c661f393"
+checksum = "02cd7d51cea7e2fa6bbcb8af5fbcad15b871451bfc2d20ed72dff2f4ae072a84"
 dependencies = [
  "bitflags",
  "crc32fast",