diff --git a/demo/rust/Cargo.toml b/demo/rust/Cargo.toml
index c08b1e8..f681ecc 100644
--- a/demo/rust/Cargo.toml
+++ b/demo/rust/Cargo.toml
@@ -9,3 +9,6 @@ sysinfo = "0.3.16"
 [lib]
 name = "rust"
 crate-type = ["staticlib"]
+
+[profile.release]
+debug = true
diff --git a/tests/rust_functions/Cargo.toml b/tests/rust_functions/Cargo.toml
index c65758c..7b173d3 100644
--- a/tests/rust_functions/Cargo.toml
+++ b/tests/rust_functions/Cargo.toml
@@ -8,3 +8,6 @@ libc = "*"
 [lib]
 name = "rust"
 crate-type = ["staticlib"]
+
+[profile.release]
+debug = true
diff --git a/tests/rust_list/Cargo.toml b/tests/rust_list/Cargo.toml
index 8b321d0..2e8f02c 100644
--- a/tests/rust_list/Cargo.toml
+++ b/tests/rust_list/Cargo.toml
@@ -8,3 +8,6 @@ libc = "*"
 [lib]
 name = "rust"
 crate-type = ["staticlib"]
+
+[profile.release]
+debug = true
diff --git a/tests/rust_object/Cargo.toml b/tests/rust_object/Cargo.toml
index b52f0f0..ab28e59 100644
--- a/tests/rust_object/Cargo.toml
+++ b/tests/rust_object/Cargo.toml
@@ -8,3 +8,6 @@ libc = "*"
 [lib]
 name = "rust"
 crate-type = ["staticlib"]
+
+[profile.release]
+debug = true
diff --git a/tests/rust_object_types/Cargo.toml b/tests/rust_object_types/Cargo.toml
index b52f0f0..ab28e59 100644
--- a/tests/rust_object_types/Cargo.toml
+++ b/tests/rust_object_types/Cargo.toml
@@ -8,3 +8,6 @@ libc = "*"
 [lib]
 name = "rust"
 crate-type = ["staticlib"]
+
+[profile.release]
+debug = true
diff --git a/tests/rust_objects/Cargo.toml b/tests/rust_objects/Cargo.toml
index 5b335ab..065ae99 100644
--- a/tests/rust_objects/Cargo.toml
+++ b/tests/rust_objects/Cargo.toml
@@ -8,3 +8,6 @@ libc = "*"
 [lib]
 name = "rust"
 crate-type = ["staticlib"]
+
+[profile.release]
+debug = true
diff --git a/tests/rust_tree/Cargo.toml b/tests/rust_tree/Cargo.toml
index 002720b..c6895cb 100644
--- a/tests/rust_tree/Cargo.toml
+++ b/tests/rust_tree/Cargo.toml
@@ -8,3 +8,6 @@ libc = "*"
 [lib]
 name = "rust"
 crate-type = ["staticlib"]
+
+[profile.release]
+debug = true