diff --git a/Cargo.toml b/Cargo.toml
index f344f07..60e4b1f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ name = "pgrx_embed_jspg"
 path = "src/bin/pgrx_embed.rs"
 
 [features]
-pg17 = ["pgrx/pg17", "pgrx-tests/pg17" ]
+pg18 = ["pgrx/pg18", "pgrx-tests/pg18" ]
 # Local feature flag used by `cargo pgrx test`
 pg_test = []
 
diff --git a/flow b/flow
index 1a2e53b..1910026 100755
--- a/flow
+++ b/flow
@@ -8,7 +8,7 @@ source ./flows/packaging
 source ./flows/rust
 
 # Vars
-POSTGRES_VERSION="17"
+POSTGRES_VERSION="18"
 POSTGRES_CONFIG_PATH="/opt/homebrew/opt/postgresql@${POSTGRES_VERSION}/bin/pg_config"
 DEPENDENCIES+=(icu4c pkg-config "postgresql@${POSTGRES_VERSION}")
 CARGO_DEPENDENCIES=(cargo-pgrx==0.16.1)