diff --git a/.github/workflows/linux-aarch64.yml b/.github/workflows/linux-aarch64.yml
index 5324794d3..4b236b485 100644
--- a/.github/workflows/linux-aarch64.yml
+++ b/.github/workflows/linux-aarch64.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           target: aarch64-unknown-linux-gnu
           override: true
       - run: rustup component add rustfmt
diff --git a/.github/workflows/linux-armv7.yml b/.github/workflows/linux-armv7.yml
index e79833212..d0edc76f8 100644
--- a/.github/workflows/linux-armv7.yml
+++ b/.github/workflows/linux-armv7.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           target: armv7-unknown-linux-gnueabihf
           override: true
       - run: rustup component add rustfmt
diff --git a/.github/workflows/linux-x86_64.yml b/.github/workflows/linux-x86_64.yml
index 223d78394..851c6af8f 100644
--- a/.github/workflows/linux-x86_64.yml
+++ b/.github/workflows/linux-x86_64.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - name: cargo check
@@ -49,7 +49,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - name: cargo build
@@ -72,7 +72,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - name: cargo fmt
@@ -95,7 +95,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - run: rustup component add clippy
diff --git a/.github/workflows/macos-aarch64.yml b/.github/workflows/macos-aarch64.yml
index f8c1e9c4f..a621245ff 100644
--- a/.github/workflows/macos-aarch64.yml
+++ b/.github/workflows/macos-aarch64.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           target: aarch64-apple-darwin
           override: true
       - run: rustup component add rustfmt
diff --git a/.github/workflows/macos-x86_64.yml b/.github/workflows/macos-x86_64.yml
index 0bad2fe5e..4bee357cf 100644
--- a/.github/workflows/macos-x86_64.yml
+++ b/.github/workflows/macos-x86_64.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - name: cargo check
@@ -45,7 +45,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - name: cargo build
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 51366dcd7..6a99197a9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -70,7 +70,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0-${{ matrix.toolchain-suffix }}
+          toolchain: 1.63.0-${{ matrix.toolchain-suffix }}
           target: ${{ matrix.target }}
           override: true
       - run: rustup component add rustfmt
diff --git a/.github/workflows/windows-i686.yml b/.github/workflows/windows-i686.yml
index cc6a9c630..39ef3dcd8 100644
--- a/.github/workflows/windows-i686.yml
+++ b/.github/workflows/windows-i686.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0-i686-pc-windows-msvc
+          toolchain: 1.63.0-i686-pc-windows-msvc
           target: i686-pc-windows-msvc
           override: true
       - run: rustup component add rustfmt
diff --git a/.github/workflows/windows-x86_64.yml b/.github/workflows/windows-x86_64.yml
index 6079f7067..eebc9eb0a 100644
--- a/.github/workflows/windows-x86_64.yml
+++ b/.github/workflows/windows-x86_64.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - name: cargo check
@@ -41,7 +41,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.61.0
+          toolchain: 1.63.0
           override: true
       - run: rustup component add rustfmt
       - name: cargo build
diff --git a/CONTRIBUTING.adoc b/CONTRIBUTING.adoc
index 851cd3981..bf877de3a 100644
--- a/CONTRIBUTING.adoc
+++ b/CONTRIBUTING.adoc
@@ -63,7 +63,7 @@ architecture (REAPER 32-bit vs. 64-bit) are marked with :star:.
 * Set the correct toolchain default :star:
 
 `batch
- rustup default 1.61.0-x86_64-pc-windows-msvc
+ rustup default 1.63.0-x86_64-pc-windows-msvc
 `
 
 . Download and install https://git-scm.com/download/win[Git for Windows]
@@ -95,7 +95,7 @@ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh # choose 1 (defau
 source $HOME/.cargo/env
 
 # Set the correct toolchain default
-rustup default 1.61.0-x86_64-unknown-linux-gnu
+rustup default 1.63.0-x86_64-unknown-linux-gnu
 
 # Clone ReaLearn repository (the "--recurse-submodules" is important!)
 git clone --recurse-submodules https://github.com/helgoboss/realearn.git
@@ -129,7 +129,7 @@ should provide you with the necessary instructions if something is missing.
 # Install Rust
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh # choose 1 (default)
 source $HOME/.cargo/env
-rustup default 1.61.0-x86_64-apple-darwin
+rustup default 1.63.0-x86_64-apple-darwin
 
 # Clone ReaLearn
 cd Downloads