diff --git a/Cargo.toml b/Cargo.toml
index 74acf07..645889a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,3 +23,10 @@ incrementalmerkletree-testing = { version = "0.3", path = "incrementalmerkletree
 
 # Testing
 proptest = "1"
+assert_matches = "1.5"
+bitflags = "2"
+either = { version = "1.8", default-features = false }
+rand = "0.8"
+rand_chacha = "0.3"
+rand_core = "0.6"
+tracing = "0.1"
diff --git a/incrementalmerkletree/Cargo.toml b/incrementalmerkletree/Cargo.toml
index 409224c..a9b0da1 100644
--- a/incrementalmerkletree/Cargo.toml
+++ b/incrementalmerkletree/Cargo.toml
@@ -18,16 +18,16 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-either = { version = "1.8", default-features = false }
+either = { workspace = true }
 proptest = { workspace = true, optional = true }
-rand = { version = "0.8", optional = true }
-rand_core = { version = "0.6", optional = true }
+rand = { workspace = true, optional = true }
+rand_core = { workspace = true, optional = true }
 
 [dev-dependencies]
 proptest.workspace = true
-rand = "0.8"
-rand_core = "0.6"
-rand_chacha = "0.3"
+rand = { workspace = true }
+rand_core = { workspace = true }
+rand_chacha = { workspace = true }
 
 [features]
 # The `std` feature is no longer enabled by default because it is not needed
diff --git a/shardtree/Cargo.toml b/shardtree/Cargo.toml
index a07ddc6..4957410 100644
--- a/shardtree/Cargo.toml
+++ b/shardtree/Cargo.toml
@@ -17,16 +17,16 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-assert_matches = { version = "1.5", optional = true }
-bitflags = "2"
-either = "1.8"
+assert_matches = { workspace = true, optional = true }
+bitflags = { workspace = true }
+either = { workspace = true }
 incrementalmerkletree.workspace = true
 proptest = { workspace = true, optional = true }
 incrementalmerkletree-testing = { workspace = true, optional = true }
-tracing = "0.1"
+tracing = { workspace = true }
 
 [dev-dependencies]
-assert_matches = "1.5"
+assert_matches = { workspace = true }
 incrementalmerkletree = { workspace = true, features = ["test-dependencies"] }
 incrementalmerkletree-testing.workspace = true
 proptest.workspace = true