diff --git a/src/Cargo.lock b/src/Cargo.lock
index 79822675364c..f2b4489eb579 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -47,7 +47,7 @@ dependencies = [
  "alloc_system 0.0.0",
  "build_helper 0.1.0",
  "core 0.0.0",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.0.0",
 ]
 
@@ -103,7 +103,7 @@ name = "backtrace-sys"
 version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -137,7 +137,7 @@ dependencies = [
  "build_helper 0.1.0",
  "cmake 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -270,7 +270,7 @@ name = "cmake"
 version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -286,7 +286,7 @@ name = "compiler_builtins"
 version = "0.0.0"
 dependencies = [
  "core 0.0.0",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -402,7 +402,7 @@ name = "curl-sys"
 version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -582,7 +582,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "gcc"
-version = "0.3.53"
+version = "0.3.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -842,7 +842,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cmake 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "curl-sys 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "libssh2-sys 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -867,7 +867,7 @@ name = "libz-sys"
 version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -888,7 +888,7 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -974,7 +974,7 @@ name = "miniz-sys"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1110,7 +1110,7 @@ name = "openssl-sys"
 version = "0.9.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1215,7 +1215,7 @@ name = "profiler_builtins"
 version = "0.0.0"
 dependencies = [
  "core 0.0.0",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1611,7 +1611,7 @@ name = "rustc_llvm"
 version = "0.0.0"
 dependencies = [
  "build_helper 0.1.0",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_bitflags 0.0.0",
 ]
 
@@ -1741,7 +1741,7 @@ name = "rustc_trans"
 version = "0.0.0"
 dependencies = [
  "flate2 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "jobserver 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1806,7 +1806,7 @@ version = "0.0.0"
 dependencies = [
  "build_helper 0.1.0",
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "html-diff 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "pulldown-cmark 0.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1979,7 +1979,7 @@ dependencies = [
  "collections 0.0.0",
  "compiler_builtins 0.0.0",
  "core 0.0.0",
- "gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.0.0",
  "panic_abort 0.0.0",
  "panic_unwind 0.0.0",
@@ -2484,7 +2484,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum fs2 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9ab76cfd2aaa59b7bf6688ad9ba15bbae64bff97f04ea02144cfd3443e5c2866"
 "checksum futf 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "51f93f3de6ba1794dcd5810b3546d004600a59a98266487c8407bc4b24e398f3"
 "checksum futures 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a82bdc62350ca9d7974c760e9665102fc9d740992a528c2254aa930e53b783c4"
-"checksum gcc 0.3.53 (registry+https://github.com/rust-lang/crates.io-index)" = "e8310f7e9c890398b0e80e301c4f474e9918d2b27fca8f48486ca775fa9ffc5a"
+"checksum gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)" = "5e33ec290da0d127825013597dbdfc28bee4964690c7ce1166cbc2a7bd08b1bb"
 "checksum getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "d9047cfbd08a437050b363d35ef160452c5fe8ea5187ae0a624708c91581d685"
 "checksum git2 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0c1c0203d653f4140241da0c1375a404f0a397249ec818cd2076c6280c50f6fa"
 "checksum git2-curl 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "68676bc784bf0bef83278898929bf64a251e87c0340723d0b93fa096c9c5bf8e"
diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml
index daa2a3d0a0ff..85e3b65c1953 100644
--- a/src/bootstrap/Cargo.toml
+++ b/src/bootstrap/Cargo.toml
@@ -34,7 +34,7 @@ cmake = "0.1.23"
 filetime = "0.1"
 num_cpus = "1.0"
 getopts = "0.2"
-gcc = "0.3.50"
+gcc = "0.3.54"
 libc = "0.2"
 serde = "1.0.8"
 serde_derive = "1.0.8"