diff --git a/dev-requirements.txt b/dev-requirements.txt
index d02863ae0..10cb4f9d5 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,8 +2,8 @@
 git+https://github.com/dbt-labs/dbt-adapters.git
 git+https://github.com/dbt-labs/dbt-adapters.git#subdirectory=dbt-tests-adapter
 git+https://github.com/dbt-labs/dbt-common.git
-git+https://github.com/dbt-labs/dbt-core.git#subdirectory=core
-git+https://github.com/dbt-labs/dbt-postgres.git
+git+https://github.com/dbt-labs/dbt-core.git@1.8.latest#subdirectory=core
+git+https://github.com/dbt-labs/dbt-postgres.git@1.8.latest
 
 # dev
 ipdb~=0.13.13