diff --git a/Cargo.lock b/Cargo.lock
index fc20d70038a..a9ab90f4009 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -427,9 +427,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-derive"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72aade21de1aa12a31fc287ec9891915965b6d7caac1c5de5ea095b6b9bc4cc4"
+checksum = "d5444ff2a211fe2a863e44d16a368c3d8a314d489de21b8eeb6879f14dd5d4a8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -439,9 +439,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-engine"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcffc1240cc5f9c5d1d8028d35a293e193a647a71244d51d3d5b4295cbea0593"
+checksum = "5b8ba5b42db32c9c92deec8baf6821628b1234eaa296c48dff39cecbce3c0271"
 dependencies = [
  "chalk-derive",
  "chalk-ir",
@@ -452,9 +452,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-ir"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b856e69b664ca362a30c21f477fe10f59f74458978bc9bfd667820549bc7758"
+checksum = "e39c3db1dd4abfaa7658faaa62e5fe998a982a592b710bd971fad5b6adfcfdef"
 dependencies = [
  "chalk-derive",
  "lazy_static",
@@ -462,9 +462,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-solve"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abae2ca9cca3b0a2f33fe946a688881a8b17b8edc088fe3820cb770275e965ed"
+checksum = "a673abe3077adc25f8ee0894198aed494a5bb0ce50ee993900d0ee1a44e1948a"
 dependencies = [
  "chalk-derive",
  "chalk-ir",
diff --git a/compiler/rustc_middle/Cargo.toml b/compiler/rustc_middle/Cargo.toml
index 026f810fd79..b4e1a380ce5 100644
--- a/compiler/rustc_middle/Cargo.toml
+++ b/compiler/rustc_middle/Cargo.toml
@@ -26,7 +26,7 @@ rustc_index = { path = "../rustc_index" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_span = { path = "../rustc_span" }
-chalk-ir = "0.26.0"
+chalk-ir = "0.27.0"
 smallvec = { version = "1.0", features = ["union", "may_dangle"] }
 measureme = "0.7.1"
 rustc_session = { path = "../rustc_session" }
diff --git a/compiler/rustc_traits/Cargo.toml b/compiler/rustc_traits/Cargo.toml
index cd718def79b..b9223e4fcef 100644
--- a/compiler/rustc_traits/Cargo.toml
+++ b/compiler/rustc_traits/Cargo.toml
@@ -12,9 +12,9 @@ rustc_hir = { path = "../rustc_hir" }
 rustc_index = { path = "../rustc_index" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_span = { path = "../rustc_span" }
-chalk-ir = "0.26.0"
-chalk-solve = "0.26.0"
-chalk-engine = "0.26.0"
+chalk-ir = "0.27.0"
+chalk-solve = "0.27.0"
+chalk-engine = "0.27.0"
 smallvec = { version = "1.0", features = ["union", "may_dangle"] }
 rustc_infer = { path = "../rustc_infer" }
 rustc_trait_selection = { path = "../rustc_trait_selection" }
diff --git a/compiler/rustc_traits/src/chalk/db.rs b/compiler/rustc_traits/src/chalk/db.rs
index 5804296540a..30c33f1e1a6 100644
--- a/compiler/rustc_traits/src/chalk/db.rs
+++ b/compiler/rustc_traits/src/chalk/db.rs
@@ -427,6 +427,7 @@ impl<'tcx> chalk_solve::RustIrDatabase<RustInterner<'tcx>> for RustIrDatabase<'t
             FnMut => self.interner.tcx.lang_items().fn_mut_trait(),
             FnOnce => self.interner.tcx.lang_items().fn_once_trait(),
             Unsize => self.interner.tcx.lang_items().unsize_trait(),
+            Unpin => self.interner.tcx.lang_items().unpin_trait(),
         };
         def_id.map(chalk_ir::TraitId)
     }