diff --git a/Cargo.toml b/Cargo.toml
index 8c70bb189397..7ab20320e7dc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ rustc_tools_util = { version = "0.2.0", path = "rustc_tools_util"}
 
 [dev-dependencies]
 cargo_metadata = "0.8.0"
-compiletest_rs = { version = "0.3.22", features = ["tmp"] }
+compiletest_rs = { version = "0.3.23", features = ["tmp"] }
 lazy_static = "1.0"
 clippy-mini-macro-test = { version = "0.2", path = "mini-macro" }
 serde = { version = "1.0", features = ["derive"] }
diff --git a/tests/ui/many_single_char_names.rs b/tests/ui/many_single_char_names.rs
index 81c0427305d2..80800e487248 100644
--- a/tests/ui/many_single_char_names.rs
+++ b/tests/ui/many_single_char_names.rs
@@ -29,7 +29,7 @@ fn bla() {
 fn bindings(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, g: i32, h: i32) {}
 
 fn bindings2() {
-    let (a, b, c, d, e, f, g, h) = unimplemented!();
+    let (a, b, c, d, e, f, g, h): (bool, bool, bool, bool, bool, bool, bool, bool) = unimplemented!();
 }
 
 fn shadowing() {
diff --git a/tests/ui/many_single_char_names.stderr b/tests/ui/many_single_char_names.stderr
index a746667baf0e..27e62e641ade 100644
--- a/tests/ui/many_single_char_names.stderr
+++ b/tests/ui/many_single_char_names.stderr
@@ -44,7 +44,7 @@ LL | fn bindings(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, g: i32, h: i32)
 error: 8 bindings with single-character names in scope
   --> $DIR/many_single_char_names.rs:32:10
    |
-LL |     let (a, b, c, d, e, f, g, h) = unimplemented!();
+LL |     let (a, b, c, d, e, f, g, h): (bool, bool, bool, bool, bool, bool, bool, bool) = unimplemented!();
    |          ^  ^  ^  ^  ^  ^  ^  ^
 
 error: aborting due to 5 previous errors