diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 133faab..6012ee1 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -175,8 +175,7 @@ buildvariants:
     expansions:
       DIR: llama-index-python-vectorstore
       REPO_NAME: llama_index
-      # TODO: Update INTPYTHON-414
-      CLONE_URL: -b INTPYTHON-414 --single-branch https://github.com/blink1073/llama_index.git
+      CLONE_URL: https://github.com/run-llama/llama_index.git
       DATABASE: llama_index_test_db
     run_on:
       - rhel87-small
diff --git a/llama-index-python-vectorstore/patches/pin-llama-index-core.patch b/llama-index-python-vectorstore/patches/pin-llama-index-core.patch
new file mode 100644
index 0000000..75bd176
--- /dev/null
+++ b/llama-index-python-vectorstore/patches/pin-llama-index-core.patch
@@ -0,0 +1,12 @@
+diff --git a/llama-index-integrations/vector_stores/llama-index-vector-stores-mongodb/pyproject.toml b/llama-index-integrations/vector_stores/llama-index-vector-stores-mongodb/pyproject.toml
+index ba22a585c..f7b6c5647 100644
+--- a/llama-index-integrations/vector_stores/llama-index-vector-stores-mongodb/pyproject.toml
++++ b/llama-index-integrations/vector_stores/llama-index-vector-stores-mongodb/pyproject.toml
+@@ -41,6 +41,7 @@ jupyter = "^1.0.0"
+ llama-index-embeddings-openai = "^0.3.0"
+ llama-index-llms-openai = "^0.3.0"
+ llama-index-readers-file = "^0.4.0"
++llama-index-core = "^0.12.1"
+ mypy = "0.991"
+ pre-commit = "3.2.0"
+ pylint = "2.15.10"