diff --git a/Cargo.toml b/Cargo.toml
index f0898c69d..2f8b910d1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -323,8 +323,11 @@ who      = { optional=true, version="0.0.1", package="uu_who", path="src/uu/who"
 whoami   = { optional=true, version="0.0.1", package="uu_whoami", path="src/uu/whoami" }
 yes      = { optional=true, version="0.0.1", package="uu_yes", path="src/uu/yes" }
 #
-# * transitive dependency via 'failure'; pin to <= v0.3.30 to avoid increasing MinSRV to v1.33.0
-_backtrace = { version=">= 0.3.3, <= 0.3.30", package="backtrace" }
+# * pinned transitive dependencies
+_backtrace = { version=">= 0.3.3, <= 0.3.30", package="backtrace" } ##  via 'failure'; pin to <= v0.3.30 to avoid increasing MinSRV to v1.33.0
+_half = { version="1.1.0, < 1.4.0", package="half" } ## half v1.4.0 has compiler errors for MinSRV v1.31.0
+_same-file = { version="1.0.4, < 1.0.6", package="same-file" } ## same-file v1.0.6 has compiler errors for MinSRV v1.31.0
+_winapi-util = { version="0.1.2, < 0.1.3", package="winapi-util" } ## winapi-util v0.1.3 has compiler errors for MinSRV v1.31.0
 
 [dev-dependencies]
 filetime = "0.2"
diff --git a/src/uu/od/Cargo.toml b/src/uu/od/Cargo.toml
index f81fbe7d6..8f545f499 100644
--- a/src/uu/od/Cargo.toml
+++ b/src/uu/od/Cargo.toml
@@ -17,7 +17,7 @@ path = "src/od.rs"
 [dependencies]
 byteorder = "1.3.2"
 getopts = "0.2.18"
-half = "1.1.1"
+half = { version="1.1.0, < 1.4.0", package="half" } ## half v1.4.0 has compiler errors for MinSRV v1.31.0
 libc = "0.2.42"
 uucore = { version="0.0.3", package="uucore", git="https://github.com/uutils/uucore.git", branch="canary" }
 uucore_procs = { version="0.0.3", package="uucore_procs", git="https://github.com/uutils/uucore.git", branch="canary" }