diff --git a/.github/workflows/library_interop_tests.yml b/.github/workflows/library_interop_tests.yml
index 1dc9b02b5..a5227c117 100644
--- a/.github/workflows/library_interop_tests.yml
+++ b/.github/workflows/library_interop_tests.yml
@@ -386,7 +386,7 @@ jobs:
           make purge_polymorph_code
 
       - name: Download Encrypt Manifest Artifact Java
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ${{matrix.os}}_vector_artifact_java${{ inputs.fuzz-testing && '_fuzz' || '' }}
           path: ./${{matrix.library}}/runtimes/${{matrix.decrypting_language}}
@@ -396,7 +396,7 @@ jobs:
         run: make test_decrypt_encrypt_vectors_${{matrix.decrypting_language}}
 
       - name: Download Encrypt Manifest Artifact Net
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ${{matrix.os}}_vector_artifact_net${{ inputs.fuzz-testing && '_fuzz' || '' }}
           path: ./${{matrix.library}}/runtimes/${{matrix.decrypting_language}}
@@ -406,7 +406,7 @@ jobs:
         run: make test_decrypt_encrypt_vectors_${{matrix.decrypting_language}}
 
       - name: Download Encrypt Manifest Artifact Rust
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ${{matrix.os}}_vector_artifact_rust${{ inputs.fuzz-testing && '_fuzz' || '' }}
           path: ./${{matrix.library}}/runtimes/${{matrix.decrypting_language}}
@@ -416,7 +416,7 @@ jobs:
         run: make test_decrypt_encrypt_vectors_${{matrix.decrypting_language}}
 
       - name: Download Encrypt Manifest Artifact Python
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ${{matrix.os}}_vector_artifact_python${{ inputs.fuzz-testing && '_fuzz' || '' }}
           path: ./${{matrix.library}}/runtimes/${{matrix.decrypting_language}}
@@ -426,7 +426,7 @@ jobs:
         run: make test_decrypt_encrypt_vectors_${{matrix.decrypting_language}}
 
       - name: Download Encrypt Manifest Artifact Go
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: ${{matrix.os}}_vector_artifact_go${{ inputs.fuzz-testing && '_fuzz' || '' }}
           path: ./${{matrix.library}}/runtimes/${{matrix.decrypting_language}}