diff --git a/gir b/gir
index 6c8c7c4..1ee9edf 160000
--- a/gir
+++ b/gir
@@ -1 +1 @@
-Subproject commit 6c8c7c481da4bb3df5cbf3a277d5c0247f219c85
+Subproject commit 1ee9edf52fb1a0bd9e66eff7c1f896fa3cdc30c5
diff --git a/sourceview-sys/Cargo.toml b/sourceview-sys/Cargo.toml
index 1267c49..75c1aa2 100644
--- a/sourceview-sys/Cargo.toml
+++ b/sourceview-sys/Cargo.toml
@@ -29,7 +29,7 @@ git = "https://github.com/gtk-rs/sys"
 
 [dev-dependencies]
 shell-words = "0.1.0"
-tempdir = "0.3"
+tempfile = "3"
 
 [features]
 v3_4 = []
diff --git a/sourceview-sys/tests/abi.rs b/sourceview-sys/tests/abi.rs
index d1095b1..5a01bf5 100644
--- a/sourceview-sys/tests/abi.rs
+++ b/sourceview-sys/tests/abi.rs
@@ -4,7 +4,7 @@
 
 extern crate gtk_source_sys;
 extern crate shell_words;
-extern crate tempdir;
+extern crate tempfile;
 use gtk_source_sys::*;
 use std::env;
 use std::error::Error;
@@ -12,6 +12,7 @@ use std::mem::{align_of, size_of};
 use std::path::Path;
 use std::process::Command;
 use std::str;
+use tempfile::Builder;
 
 static PACKAGES: &[&str] = &["gtksourceview-3.0"];
 
@@ -126,7 +127,10 @@ impl Results {
 
 #[test]
 fn cross_validate_constants_with_c() {
-    let tmpdir = tempdir::TempDir::new("abi").expect("temporary directory");
+    let tmpdir = Builder::new()
+        .prefix("abi")
+        .tempdir()
+        .expect("temporary directory");
     let cc = Compiler::new().expect("configured compiler");
 
     assert_eq!(
@@ -163,7 +167,10 @@ fn cross_validate_constants_with_c() {
 
 #[test]
 fn cross_validate_layout_with_c() {
-    let tmpdir = tempdir::TempDir::new("abi").expect("temporary directory");
+    let tmpdir = Builder::new()
+        .prefix("abi")
+        .tempdir()
+        .expect("temporary directory");
     let cc = Compiler::new().expect("configured compiler");
 
     assert_eq!(
diff --git a/sourceview-sys/versions.txt b/sourceview-sys/versions.txt
index 42d3b74..e893766 100644
--- a/sourceview-sys/versions.txt
+++ b/sourceview-sys/versions.txt
@@ -1,2 +1,2 @@
-Generated by gir (https://github.com/gtk-rs/gir @ 6c8c7c4)
+Generated by gir (https://github.com/gtk-rs/gir @ 1ee9edf)
 from gir-files (https://github.com/gtk-rs/gir-files @ 22748fa)