diff --git a/rust/ql/lib/codeql/rust/frameworks/postgres.model.yml b/rust/ql/lib/codeql/rust/frameworks/postgres.model.yml
new file mode 100644
index 000000000000..c877947a45f4
--- /dev/null
+++ b/rust/ql/lib/codeql/rust/frameworks/postgres.model.yml
@@ -0,0 +1,15 @@
+extensions:
+  - addsTo:
+      pack: codeql/rust-all
+      extensible: sinkModel
+    data:
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::execute", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::batch_execute", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::prepare", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::prepare_typed", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::query", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::query_one", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::query_opt", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::query_raw", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::query_typed", "Argument[0]", "sql-injection", "manual"]
+      - ["repo:https://github.com/sfackler/rust-postgres:postgres", "<crate::client::Client>::query_typed_raw", "Argument[0]", "sql-injection", "manual"]
diff --git a/rust/ql/test/library-tests/dataflow/taint/TaintFlowStep.expected b/rust/ql/test/library-tests/dataflow/taint/TaintFlowStep.expected
index b2b6872a6d25..d9cf909c792c 100644
--- a/rust/ql/test/library-tests/dataflow/taint/TaintFlowStep.expected
+++ b/rust/ql/test/library-tests/dataflow/taint/TaintFlowStep.expected
@@ -1,6 +1,6 @@
-| file://:0:0:0:0 | [summary param] 0 in lang:alloc::_::crate::fmt::format | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:alloc::_::crate::fmt::format | MaD:14 |
-| file://:0:0:0:0 | [summary param] self in lang:alloc::_::<crate::string::String>::as_str | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:alloc::_::<crate::string::String>::as_str | MaD:12 |
-| file://:0:0:0:0 | [summary param] self in repo:https://github.com/seanmonstar/reqwest:reqwest::_::<crate::blocking::response::Response>::text | file://:0:0:0:0 | [summary] to write: ReturnValue.Variant[crate::result::Result::Ok(0)] in repo:https://github.com/seanmonstar/reqwest:reqwest::_::<crate::blocking::response::Response>::text | MaD:0 |
+| file://:0:0:0:0 | [summary param] 0 in lang:alloc::_::crate::fmt::format | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:alloc::_::crate::fmt::format | MaD:24 |
+| file://:0:0:0:0 | [summary param] self in lang:alloc::_::<crate::string::String>::as_str | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:alloc::_::<crate::string::String>::as_str | MaD:22 |
+| file://:0:0:0:0 | [summary param] self in repo:https://github.com/seanmonstar/reqwest:reqwest::_::<crate::blocking::response::Response>::text | file://:0:0:0:0 | [summary] to write: ReturnValue.Variant[crate::result::Result::Ok(0)] in repo:https://github.com/seanmonstar/reqwest:reqwest::_::<crate::blocking::response::Response>::text | MaD:10 |
 | main.rs:4:5:4:8 | 1000 | main.rs:4:5:4:12 | ... + ... |  |
 | main.rs:4:12:4:12 | i | main.rs:4:5:4:12 | ... + ... |  |
 | main.rs:8:20:8:20 | s | main.rs:8:14:8:20 | FormatArgsExpr |  |
diff --git a/rust/ql/test/library-tests/frameworks/postgres/Postgres.expected b/rust/ql/test/library-tests/frameworks/postgres/Postgres.expected
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/rust/ql/test/library-tests/frameworks/postgres/Postgres.ql b/rust/ql/test/library-tests/frameworks/postgres/Postgres.ql
new file mode 100644
index 000000000000..4681fee505f5
--- /dev/null
+++ b/rust/ql/test/library-tests/frameworks/postgres/Postgres.ql
@@ -0,0 +1,19 @@
+import rust
+import codeql.rust.security.SqlInjectionExtensions
+import utils.test.InlineExpectationsTest
+
+module PostgresTest implements TestSig {
+  string getARelevantTag() { result = "sql-sink" }
+
+  predicate hasActualResult(Location location, string element, string tag, string value) {
+    exists(SqlInjection::Sink sink |
+      location = sink.getLocation() and
+      location.getFile().getBaseName() != "" and
+      element = sink.toString() and
+      tag = "sql-sink" and
+      value = ""
+    )
+  }
+}
+
+import MakeTest<PostgresTest>
diff --git a/rust/ql/test/library-tests/frameworks/postgres/cargo.toml.manual b/rust/ql/test/library-tests/frameworks/postgres/cargo.toml.manual
new file mode 100644
index 000000000000..8c6b2d9e5a72
--- /dev/null
+++ b/rust/ql/test/library-tests/frameworks/postgres/cargo.toml.manual
@@ -0,0 +1,13 @@
+[workspace]
+
+[package]
+name = "postgres-test"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+postgres = { version = "0.19" }
+
+[[bin]]
+name = "postgres"
+path = "./main.rs"
diff --git a/rust/ql/test/library-tests/frameworks/postgres/main.rs b/rust/ql/test/library-tests/frameworks/postgres/main.rs
new file mode 100644
index 000000000000..5754ef427824
--- /dev/null
+++ b/rust/ql/test/library-tests/frameworks/postgres/main.rs
@@ -0,0 +1,43 @@
+
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Get input from CLI
+    let args: Vec<String> = std::env::args().collect();
+    let name = &args[1];
+    let age = &args[2];
+
+    let mut conn = postgres::Client::connect("host=localhost user=postgres", postgres::NoTls)?;
+
+    conn.execute(       // $ sql-sink
+        "CREATE TABLE person (
+            id SERIAL PRIMARY KEY,
+            name VARCHAR NOT NULL,
+            age INT NOT NULL
+        )",
+        &[],
+    )?;
+    
+    let query = format!("INSERT INTO person (name, age) VALUES ('{}', '{}')", name, age);
+
+    conn.execute(query.as_str(), &[])?;     // $ sql-sink
+    conn.batch_execute(query.as_str())?;    // $ sql-sink
+
+    conn.prepare(query.as_str())?;          // $ sql-sink
+    // conn.prepare_typed(query.as_str(), &[])?;
+
+    conn.query(query.as_str(), &[])?;       // $ sql-sink
+    conn.query_one(query.as_str(), &[])?;   // $ sql-sink
+    conn.query_opt(query.as_str(), &[])?;   // $ sql-sink
+    // conn.query_raw(query.as_str(), &[])?;
+    // conn.query_typed(query.as_str(), &[])?;
+    // conn.query_typed_raw(query.as_str(), &[])?;
+
+    for row in &conn.query("SELECT id, name, age FROM person", &[])? {  // $ sql-sink
+        let id: i32 = row.get("id");
+        let name: &str = row.get("name");
+        let age: i32 = row.get("age");
+        println!("found person: {} {} {}", id, name, age);
+    }
+
+    Ok(())
+}
\ No newline at end of file
diff --git a/rust/ql/test/library-tests/frameworks/postgres/options.yml b/rust/ql/test/library-tests/frameworks/postgres/options.yml
new file mode 100644
index 000000000000..27f6588af263
--- /dev/null
+++ b/rust/ql/test/library-tests/frameworks/postgres/options.yml
@@ -0,0 +1,3 @@
+qltest_cargo_check: true
+qltest_dependencies:
+    - postgres = { version = "0.19" }