diff --git a/src/uucore/Cargo.toml b/src/uucore/Cargo.toml
index 1b381aa14..0fcf2021a 100644
--- a/src/uucore/Cargo.toml
+++ b/src/uucore/Cargo.toml
@@ -17,16 +17,16 @@ appveyor = { repository = "uutils/uucore" }
 
 [dependencies]
 dunce = "1.0.0"
-getopts = "0.2.18"
-failure = { version = "0.1.1", optional = true }
-failure_derive = { version = "0.1.1", optional = true }
-time = { version = "0.1.40", optional = true }
+getopts = "<= 0.2.21"
+failure = { version = "<= 0.1.1", optional = true }
+failure_derive = { version = "<= 0.1.1", optional = true }
+time = { version = "<= 0.1.42", optional = true }
 data-encoding = { version = "^2.1", optional = true }
-libc = { version = "0.2.42", optional = true }
+libc = { version = "<= 0.2.66", optional = true }
 wild = "2.0.1"
-nix = { version = "0.13", optional = true }
+nix = { version = "<= 0.13", optional = true }
 lazy_static = { version = "1.3", optional = true }
-platform-info = { version = "0.0.1", optional = true }
+platform-info = { version = "<= 0.0.1", optional = true }
 # * transitive dependency via 'failure'; pin to <= v0.3.30 to avoid increasing MinSRV to v1.33.0
 backtrace = ">= 0.3.3, <= 0.3.30"