diff --git a/.github/workflows/build-android.yml b/.github/workflows/build-android.yml
index ed306c2..da536ca 100644
--- a/.github/workflows/build-android.yml
+++ b/.github/workflows/build-android.yml
@@ -103,7 +103,7 @@ jobs:
           ANDROID_RELEASE_KEY_PASSWORD: ${{ secrets.ANDROID_RELEASE_KEY_PASSWORD }}
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           ${{ github.workspace }}/android/gradlew assembleRelease
 
           mkdir -p ${{ github.workspace }}/upload/android
@@ -119,7 +119,7 @@ jobs:
           ANDROID_RELEASE_KEY_PASSWORD: ${{ secrets.ANDROID_RELEASE_KEY_PASSWORD }}
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           # export CARGO_NDK_ANDROID_TARGET="arm64-v8a"
           sed -i "s/targets = [\"[a-z_0-9, ]*\"]/targets = [\"arm64\"]/" ${{ github.workspace }}/android/app/build.gradle
 
@@ -139,7 +139,7 @@ jobs:
           ANDROID_RELEASE_KEY_PASSWORD: ${{ secrets.ANDROID_RELEASE_KEY_PASSWORD }}
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           # export CARGO_NDK_ANDROID_TARGET="armeabi-v7a"
           sed -i "s/targets = [\"[a-z_0-9, ]*\"]/targets = [\"arm\"]/" ${{ github.workspace }}/android/app/build.gradle
 
@@ -159,7 +159,7 @@ jobs:
           ANDROID_RELEASE_KEY_PASSWORD: ${{ secrets.ANDROID_RELEASE_KEY_PASSWORD }}
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           # export CARGO_NDK_ANDROID_TARGET="x86"
           sed -i "s/targets = [\"[a-z_0-9, ]*\"]/targets = [\"x86\"]/" ${{ github.workspace }}/android/app/build.gradle
 
@@ -179,7 +179,7 @@ jobs:
           ANDROID_RELEASE_KEY_PASSWORD: ${{ secrets.ANDROID_RELEASE_KEY_PASSWORD }}
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           # export CARGO_NDK_ANDROID_TARGET="x86_64"
           sed -i "s/targets = [\"[a-z_0-9, ]*\"]/targets = [\"x86_64\"]/" ${{ github.workspace }}/android/app/build.gradle
 
diff --git a/.github/workflows/build-gh-pages.yml b/.github/workflows/build-gh-pages.yml
index b9e28d9..01c654c 100644
--- a/.github/workflows/build-gh-pages.yml
+++ b/.github/workflows/build-gh-pages.yml
@@ -81,7 +81,7 @@ jobs:
       - name: Build Engine (Release)
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
 
           $HOME/.cargo/bin/cargo build --target wasm32-unknown-unknown --verbose --release --lib
 
diff --git a/.github/workflows/build-linux-gnu-x86_64-appimage.yml b/.github/workflows/build-linux-gnu-x86_64-appimage.yml
index 78d1d56..934e756 100644
--- a/.github/workflows/build-linux-gnu-x86_64-appimage.yml
+++ b/.github/workflows/build-linux-gnu-x86_64-appimage.yml
@@ -91,7 +91,7 @@ jobs:
           source ${{ github.workspace }}/.build-scripts/exports/tools.sh
 
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
 
           # Release is already specified by cargo appimage
           # https://github.com/StratusFearMe21/cargo-appimage/issues/30
diff --git a/.github/workflows/build-linux-musl-x86_64.yml b/.github/workflows/build-linux-musl-x86_64.yml
index d34a688..42ce70d 100644
--- a/.github/workflows/build-linux-musl-x86_64.yml
+++ b/.github/workflows/build-linux-musl-x86_64.yml
@@ -74,7 +74,7 @@ jobs:
       - name: Build Engine Server Only
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
 
           $HOME/.cargo/bin/cargo build --verbose --target=x86_64-unknown-linux-musl --release --bin catgirl-engine --no-default-features --features server,logging-subscriber
 
diff --git a/.github/workflows/build-wasm32-unknown-unknown.yml b/.github/workflows/build-wasm32-unknown-unknown.yml
index acc0244..88ca0d0 100644
--- a/.github/workflows/build-wasm32-unknown-unknown.yml
+++ b/.github/workflows/build-wasm32-unknown-unknown.yml
@@ -67,7 +67,7 @@ jobs:
       - name: Build Engine (Release)
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           $HOME/.cargo/bin/cargo build --target wasm32-unknown-unknown --verbose --release --lib
 
       # Generate Bindings
diff --git a/.github/workflows/build-windows-gnu-x86_64.yml b/.github/workflows/build-windows-gnu-x86_64.yml
index 3437e0e..0030de5 100644
--- a/.github/workflows/build-windows-gnu-x86_64.yml
+++ b/.github/workflows/build-windows-gnu-x86_64.yml
@@ -84,14 +84,14 @@ jobs:
       - name: Build Engine Client/Server
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           $HOME/.cargo/bin/cargo build --verbose --target=x86_64-pc-windows-gnu --release --bin catgirl-engine
 
       # Compile Program
       - name: Build Engine Server Only
         run: |
           # Sets the build timestamp to the current commit to make builds reproducible
-          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+          export SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
           export CARGO_TARGET_DIR="${{ github.workspace }}/.server-target"
           $HOME/.cargo/bin/cargo build --verbose --target=x86_64-pc-windows-gnu --release --bin catgirl-engine --no-default-features --features server,logging-subscriber
 
diff --git a/build-all.sh b/build-all.sh
index ff2581d..0fe742b 100755
--- a/build-all.sh
+++ b/build-all.sh
@@ -13,7 +13,7 @@ SCRIPT_DIR=`dirname "$SCRIPT"`
 PROJECT_ROOT=$SCRIPT_DIR
 
 # Build Vars
-SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%at"`"
+SOURCE_DATE_EPOCH="`git --no-pager log -1 --format="%ct"`"
 PATH="$PROJECT_ROOT/.tools:$PATH"
 PATH="$PROJECT_ROOT/.tools/butler:$PATH"