diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index 70899b3..a615dda 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -20,7 +20,7 @@ To create a pgvectorscale developer environment, you need the following on your
   
 * [Cargo-pgrx][cargo-pgrx]:
     ```shell
-    cargo install --locked cargo-pgrx
+    cargo install --locked cargo-pgrx --version $(cargo metadata --format-version 1 | jq -r '.packages[] | select(.name == "pgrx") | .version')
     ```
   You must reinstall cargo-pgrx whenever you update Rust, cargo-pgrx must 
   be built with the same compiler as pgvectorscale.
diff --git a/README.md b/README.md
index dcfa310..1a98014 100644
--- a/README.md
+++ b/README.md
@@ -74,8 +74,8 @@ You can install pgvectorscale from source and install it in an existing PostgreS
     # install prerequisites
     ## rust
     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
-    ## pgrx
-    cargo install --locked cargo-pgrx
+    ## cargo-pgrx with the same version as pgrx
+    cargo install --locked cargo-pgrx --version $(cargo metadata --format-version 1 | jq -r '.packages[] | select(.name == "pgrx") | .version')
     cargo pgrx init --pg17 pg_config
 
     #download, build and install pgvectorscale