diff --git a/mypy-baseline.txt b/mypy-baseline.txt
index c68611a94a71a..179789b0b0eb4 100644
--- a/mypy-baseline.txt
+++ b/mypy-baseline.txt
@@ -98,10 +98,6 @@ posthog/models/plugin.py:0: error: Name "timezone.datetime" is not defined  [nam
 posthog/models/plugin.py:0: error: Name "timezone.datetime" is not defined  [name-defined]
 posthog/models/person/person.py:0: error: "_T" has no attribute "_add_distinct_ids"  [attr-defined]
 posthog/models/person/person.py:0: error: Incompatible types in assignment (expression has type "list[Never]", variable has type "_QuerySet[PersonDistinctId, str]")  [assignment]
-posthog/warehouse/models/external_data_schema.py:0: error: Library stubs not installed for "pymysql"  [import-untyped]
-posthog/warehouse/models/external_data_schema.py:0: note: Hint: "python3 -m pip install types-PyMySQL"
-posthog/warehouse/models/external_data_schema.py:0: note: (or run "mypy --install-types" to install all missing stub packages)
-posthog/warehouse/models/external_data_schema.py:0: note: See https://mypy.readthedocs.io/en/stable/running_mypy.html#missing-imports
 posthog/hogql/database/database.py:0: error: "FieldOrTable" has no attribute "fields"  [attr-defined]
 posthog/warehouse/models/datawarehouse_saved_query.py:0: error: Argument 1 to "create_hogql_database" has incompatible type "int | None"; expected "int"  [arg-type]
 posthog/warehouse/models/datawarehouse_saved_query.py:0: error: Incompatible types in assignment (expression has type "Expr", variable has type "SelectQuery | SelectUnionQuery")  [assignment]
diff --git a/requirements-dev.in b/requirements-dev.in
index 9ab0252aecf67..5ca5431dbaf1c 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -26,6 +26,7 @@ packaging==23.1
 black~=23.9.1
 boto3-stubs[s3]
 types-markdown==3.3.9
+types-PyMySQL==1.1.0.20240524
 types-PyYAML==6.0.1
 types-freezegun==1.1.10
 types-paramiko==3.4.0.20240423
diff --git a/requirements-dev.txt b/requirements-dev.txt
index a528eb65d50a7..938eaead5395c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -37,7 +37,7 @@ black==23.9.1
     #   -r requirements-dev.in
     #   datamodel-code-generator
     #   inline-snapshot
-boto3-stubs[s3]==1.34.84
+boto3-stubs==1.34.84
     # via -r requirements-dev.in
 botocore-stubs==1.34.84
     # via boto3-stubs
@@ -62,7 +62,7 @@ click==8.1.7
     #   inline-snapshot
 colorama==0.4.4
     # via pytest-watch
-coverage[toml]==5.5
+coverage==5.5
     # via pytest-cov
 cryptography==39.0.2
     # via
@@ -98,6 +98,7 @@ executing==2.0.1
 faker==17.5.0
     # via -r requirements-dev.in
 fakeredis==2.23.3
+    # via -r requirements-dev.in
 flaky==3.7.0
     # via -r requirements-dev.in
 freezegun==1.2.2
@@ -197,7 +198,7 @@ pycparser==2.20
     # via
     #   -c requirements.txt
     #   cffi
-pydantic[email]==2.5.3
+pydantic==2.5.3
     # via
     #   -c requirements.txt
     #   datamodel-code-generator
@@ -313,6 +314,8 @@ types-markdown==3.3.9
     # via -r requirements-dev.in
 types-paramiko==3.4.0.20240423
     # via -r requirements-dev.in
+types-pymysql==1.1.0.20240524
+    # via -r requirements-dev.in
 types-python-dateutil==2.8.3
     # via -r requirements-dev.in
 types-pytz==2023.3.0.0