diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5642fe1..183fa17 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -160,11 +160,11 @@ jobs:
           FBX_FOLDER=$(echo "${{ github.workspace }}/FBXSDK" | sed 's|\\|/|g')
           echo "FBX_FOLDER=$FBX_FOLDER" >> $GITHUB_ENV
           if [ "${{ runner.os }}" == "Windows" ]; then
-            echo "FBX_OUTFILE=$FBX_FOLDER/fbx202037_fbxsdk_vs2022_win.exe" >> $GITHUB_ENV
+            echo "FBX_OUTFILE=$FBX_FOLDER/fbx202039_fbxsdk_vs2022_win.exe" >> $GITHUB_ENV
           elif [ "${{ runner.os }}" == "macOS" ]; then
-            echo "FBX_OUTFILE=$FBX_FOLDER/fbx202037_fbxsdk_clang_mac.pkg" >> $GITHUB_ENV
+            echo "FBX_OUTFILE=$FBX_FOLDER/fbx202039_fbxsdk_clang_mac.pkg" >> $GITHUB_ENV
           else
-            echo "FBX_OUTFILE=$FBX_FOLDER/fbx202037_fbxsdk_gcc_linux" >> $GITHUB_ENV
+            echo "FBX_OUTFILE=$FBX_FOLDER/fbx202039_fbxsdk_gcc_linux" >> $GITHUB_ENV
           fi
 
       - name: Install FBX SDK Windows
@@ -182,18 +182,18 @@ jobs:
         run: |
           mkdir -p ${{ env.FBX_FOLDER }}
           if [ "${{ runner.os }}" == "macOS" ]; then
-            FBX_INSTALL_DIR="/Applications/Autodesk/FBXSDK/2020.3.7"
+            FBX_INSTALL_DIR="/Applications/Autodesk/FBXSDK/2020.3.9"
             tar -xzf ${{ env.FBX_OUTFILE }}.tgz -C ${{ env.FBX_FOLDER }}
             FBX_OUTFILE_CORRECTED=$(echo "${{ env.FBX_OUTFILE }}" | sed 's/_mac.pkg/_macos.pkg/')
             sudo installer -pkg $FBX_OUTFILE_CORRECTED -target / -verboseR
             sudo mv "/Applications/Autodesk/FBX SDK/" "/Applications/Autodesk/FBXSDK"
-            sudo sed -i '.bak' 's/mLefttChild/mLeftChild/g' "/Applications/Autodesk/FBXSDK/2020.3.7/include/fbxsdk/core/base/fbxredblacktree.h"
+            sudo sed -i '.bak' 's/mLefttChild/mLeftChild/g' "/Applications/Autodesk/FBXSDK/2020.3.9/include/fbxsdk/core/base/fbxredblacktree.h"
           else  # Linux
             FBX_INSTALL_DIR=${{ github.workspace }}/FBX_SDK_INSTALL
             chmod +r ${{ env.FBX_OUTFILE }}.tar.gz
             tar -xzf ${{ env.FBX_OUTFILE }}.tar.gz -C ${{ env.FBX_FOLDER }}
             mkdir -p ${{ github.workspace }}/FBX_SDK_INSTALL
-            yes yes | ${{ env.FBX_FOLDER }}/fbx202037_fbxsdk_linux $FBX_INSTALL_DIR
+            yes yes | ${{ env.FBX_FOLDER }}/fbx202039_fbxsdk_linux $FBX_INSTALL_DIR
           fi
           echo "FBX_INSTALL_DIR=$FBX_INSTALL_DIR" >> $GITHUB_ENV
 
diff --git a/.github/workflows/fbx-sdk.yml b/.github/workflows/fbx-sdk.yml
index ac5524c..8bdf870 100644
--- a/.github/workflows/fbx-sdk.yml
+++ b/.github/workflows/fbx-sdk.yml
@@ -15,24 +15,24 @@ jobs:
 
       - name: Download SDKs
         run: |
-          curl -L -o fbx202037_fbxsdk_vs2022_win.exe -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36" "https://damassets.autodesk.net/content/dam/autodesk/www/files/fbx202037_fbxsdk_vs2022_win.exe"
-          curl -L -o fbx202037_fbxsdk_clang_mac.pkg.tgz -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36" "https://damassets.autodesk.net/content/dam/autodesk/www/files/fbx202037_fbxsdk_clang_mac.pkg.tgz"
-          curl -L -o fbx202037_fbxsdk_gcc_linux.tar.gz -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36" "https://damassets.autodesk.net/content/dam/autodesk/www/files/fbx202037_fbxsdk_gcc_linux.tar.gz"
+          curl -L -o fbx202039_fbxsdk_vs2022_win.exe -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36" "https://damassets.autodesk.net/content/dam/autodesk/www/files/fbx202039_fbxsdk_vs2022_win.exe"
+          curl -L -o fbx202039_fbxsdk_clang_mac.pkg.tgz -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36" "https://damassets.autodesk.net/content/dam/autodesk/www/files/fbx202039_fbxsdk_clang_mac.pkg.tgz"
+          curl -L -o fbx202039_fbxsdk_gcc_linux.tar.gz -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36" "https://damassets.autodesk.net/content/dam/autodesk/www/files/fbx202039_fbxsdk_gcc_linux.tar.gz"
 
       - name: Upload SDK for Windows
         uses: actions/upload-artifact@v6
         with:
           name: Windows-FBX-SDK
-          path: fbx202037_fbxsdk_vs2022_win.exe
+          path: fbx202039_fbxsdk_vs2022_win.exe
 
       - name: Upload SDK for macOS
         uses: actions/upload-artifact@v6
         with:
           name: macOS-FBX-SDK
-          path: fbx202037_fbxsdk_clang_mac.pkg.tgz
+          path: fbx202039_fbxsdk_clang_mac.pkg.tgz
 
       - name: Upload SDK for Linux
         uses: actions/upload-artifact@v6
         with:
           name: Linux-FBX-SDK
-          path: fbx202037_fbxsdk_gcc_linux.tar.gz
+          path: fbx202039_fbxsdk_gcc_linux.tar.gz
diff --git a/README.md b/README.md
index 3f1eb39..ff78305 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ The following dependencies are needed:
 | [Pixar USD](https://github.com/PixarAnimationStudios/USD)               | 23.08-25.11 | all             | no  |
 | [GTest](https://github.com/google/googletest.git)                       | 1.11.0      | all tests       | yes |
 | [Eigen](https://gitlab.com/libeigen/eigen)                              | 3.4.0       | usdply, usdspz  | no  |
-| [FBX SDK](https://aps.autodesk.com/developer/overview/fbx-sdk)          | 2020.3.7    | usdfbx          | no  |
+| [FBX SDK](https://aps.autodesk.com/developer/overview/fbx-sdk)          | 2020.3.9    | usdfbx          | no  |
 | [LibXml2](https://gitlab.gnome.org/GNOME/libxml2)                       | 2.10.0      | usdfbx          | no  |
 | [Zlib](https://github.com/madler/zlib.git)                              | 1.2.11      | usdfbx, usdgltf | no  |
 | [TinyGltf](https://github.com/syoyo/tinygltf)                           | 2.8.21      | usdgltf         | no  |