diff --git a/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/Manifest b/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/Manifest
index c74a4d8bd7..9b0e106e64 100644
--- a/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/Manifest
@@ -1 +1 @@
-DIST rustc-1.26.0-src.tar.gz 95383826 SHA256 4fb09bc4e233b71dcbe08a37a3f38cabc32219745ec6a628b18a55a1232281dd SHA512 6b0eac18eef1093dad4cbb57fccbc22a2e0b11459c11600c66eef539fa1972bbae2d89751e2d46a32a46a4572fd0d3264b1083bd13d9749b694e00cd4b3d8acc WHIRLPOOL 8fcaae407f022db3c01add0f5c90f3ca46a53733fa769044a58a1588935a769e5e0e92b7c6964338fbc7212aae702a716e5dc198853a4f6ea71f1d55feebe958
+DIST rustc-1.28.0-src.tar.gz 97756918 SHA256 1d5a81729c6f23a0a23b584dd249e35abe9c6f7569cee967cc42b1758ecd6486 SHA512 4e4f121ee5a8a9f8e1ddb6ca5a0c43ba15c1349ecea9478fbcd0b242bf438b498f76bee97d33b9e078a47395e44cdea4c5aa0941e7dd21167abdf94314ef10ce WHIRLPOOL 19d9cebf82b5948ed64fc35b1a20d05498ee88229df3d0fff2f1a95c94254d59ff4ce9fea33a873147245ea8e5fcf2e82cddba90452cda03076813fb1fe734e3
diff --git a/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/rustlib-1.26.0.ebuild b/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/rustlib-1.28.0.ebuild
similarity index 94%
rename from sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/rustlib-1.26.0.ebuild
rename to sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/rustlib-1.28.0.ebuild
index d5484a07b8..4881e3701a 100644
--- a/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/rustlib-1.26.0.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/dev-libs/rustlib/rustlib-1.28.0.ebuild
@@ -54,10 +54,6 @@ src_compile() {
 		--manifest-path src/libterm/Cargo.toml \
 		--target "${RUST_TARGET}" || die
 
-	cargo build -p proc_macro -v --lib $(usex debug '' --release) \
-		--manifest-path src/libproc_macro/Cargo.toml \
-		--target "${RUST_TARGET}" || die
-
 	# Correct the directory name prior to installing it.
 	mv "${CARGO_TARGET_DIR}/${RUST_TARGET}/release/deps" "${CARGO_TARGET_DIR}/${RUST_TARGET}/release/lib"
 }
diff --git a/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/dev-libs/rustlib-1.26.0 b/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/dev-libs/rustlib-1.28.0
similarity index 80%
rename from sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/dev-libs/rustlib-1.26.0
rename to sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/dev-libs/rustlib-1.28.0
index f1ddba90a6..04d6ecef5f 100644
--- a/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/dev-libs/rustlib-1.26.0
+++ b/sdk_container/src/third_party/coreos-overlay/metadata/md5-cache/dev-libs/rustlib-1.28.0
@@ -6,7 +6,7 @@ IUSE=debug
 KEYWORDS=amd64 arm64
 LICENSE=|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA
 RDEPEND=!dev-lang/rust
-SLOT=0/1.26.0
-SRC_URI=https://static.rust-lang.org/dist/rustc-1.26.0-src.tar.gz
+SLOT=0/1.28.0
+SRC_URI=https://static.rust-lang.org/dist/rustc-1.28.0-src.tar.gz
 _eclasses_=cargo	959846e2836f8244430c9582dd6493af	coreos-cargo	ecc71b7f40f79def52bcee3f1dca6559	multilib	97f470f374f2e94ccab04a2fb21d811e	multiprocessing	cac3169468f893670dac3e7cb940e045	toolchain-funcs	1e35303c63cd707f6c3422b4493d5607
-_md5_=19643e3862fb1b2e03af563c7111e46d
+_md5_=d5ff44d34648d4f7fe52a93db0d8195b