diff --git a/Cargo.toml b/Cargo.toml
index 5dccbb53..1f6d1ef7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,10 +23,10 @@ salsa-macros = { version = "0.17.0-pre.2", path = "components/salsa-macros" }
 
 [dev-dependencies]
 diff = "0.1.0"
-env_logger = "0.7"
+env_logger = "0.9"
 linked-hash-map = "0.5.2"
-rand = "0.7"
-rand_distr = "0.2.1"
+rand = "0.8"
+rand_distr = "0.4.3"
 test-env-log = "0.2.7"
 insta = "1.8.0"