diff --git a/.github/workflows/ci-python.yml b/.github/workflows/ci-python.yml
index 8a7ce7a49..4a8d1a2fd 100644
--- a/.github/workflows/ci-python.yml
+++ b/.github/workflows/ci-python.yml
@@ -92,7 +92,7 @@ jobs:
           #pip uninstall -y tiledb.vector_search
           #pip install -e .
           #pytest
-          pip install -r test/ipynb/requirements.txt
+          pip install -r test/ipynb/requirements.txt numpy==1.25.0
           export TILEDB_REST_TOKEN=$TILEDB_CLOUD_HELPER_VAR
           pytest -n logical --durations=0 --nbmake test/ipynb
         env:
diff --git a/src/cmake/Modules/FindTileDB_EP.cmake b/src/cmake/Modules/FindTileDB_EP.cmake
index e0a3112e8..c7358b6d2 100644
--- a/src/cmake/Modules/FindTileDB_EP.cmake
+++ b/src/cmake/Modules/FindTileDB_EP.cmake
@@ -57,13 +57,13 @@ else()
     # - Copy the release hash from the `releases.csv.sha256` file in the release.
     if(DOWNLOAD_TILEDB_PREBUILT)
         fetch_prebuilt_tiledb(
-                VERSION 2.26.2
-                RELLIST_HASH SHA256=86c19d7c5246cb18e370a4272cead63ea84bd651789842e618de4d57d4510522
+                VERSION 2.27.0
+                RELLIST_HASH SHA256=8056514b1949cdab19405376e32e299578491a6d3e953321d12d761f94dc19b9
         )
     else() # Build from source
         fetch_source_tiledb(
-                VERSION 2.26.2
-                RELLIST_HASH SHA256=86c19d7c5246cb18e370a4272cead63ea84bd651789842e618de4d57d4510522
+                VERSION 2.27.0
+                RELLIST_HASH SHA256=8056514b1949cdab19405376e32e299578491a6d3e953321d12d761f94dc19b9
         )
     endif()