diff --git a/crate2nix/Cargo.nix b/crate2nix/Cargo.nix
index 21209692..8fbfabce 100644
--- a/crate2nix/Cargo.nix
+++ b/crate2nix/Cargo.nix
@@ -2444,6 +2444,7 @@ rec {
             (
               _: {
                 buildTests = true;
+                release = false;
               }
             );
           # If the user hasn't set any pre/post commands, we don't want to
diff --git a/crate2nix/templates/nix/crate2nix/default.nix b/crate2nix/templates/nix/crate2nix/default.nix
index 4eefda8c..d0641183 100644
--- a/crate2nix/templates/nix/crate2nix/default.nix
+++ b/crate2nix/templates/nix/crate2nix/default.nix
@@ -111,6 +111,7 @@ rec {
             (
               _: {
                 buildTests = true;
+                release = false;
               }
             );
           # If the user hasn't set any pre/post commands, we don't want to
diff --git a/sample_projects/bin_with_git_submodule_dep/Cargo.nix b/sample_projects/bin_with_git_submodule_dep/Cargo.nix
index a8a06f19..f2dbb41d 100644
--- a/sample_projects/bin_with_git_submodule_dep/Cargo.nix
+++ b/sample_projects/bin_with_git_submodule_dep/Cargo.nix
@@ -1459,6 +1459,7 @@ rec {
             (
               _: {
                 buildTests = true;
+                release = false;
               }
             );
           # If the user hasn't set any pre/post commands, we don't want to
diff --git a/sample_projects/codegen/Cargo.nix b/sample_projects/codegen/Cargo.nix
index 4a055101..1d4b18c8 100644
--- a/sample_projects/codegen/Cargo.nix
+++ b/sample_projects/codegen/Cargo.nix
@@ -591,6 +591,7 @@ rec {
             (
               _: {
                 buildTests = true;
+                release = false;
               }
             );
           # If the user hasn't set any pre/post commands, we don't want to
diff --git a/sample_projects/sub_dir_crates/Cargo.nix b/sample_projects/sub_dir_crates/Cargo.nix
index 9eaa102a..ef333fe3 100644
--- a/sample_projects/sub_dir_crates/Cargo.nix
+++ b/sample_projects/sub_dir_crates/Cargo.nix
@@ -243,6 +243,7 @@ rec {
             (
               _: {
                 buildTests = true;
+                release = false;
               }
             );
           # If the user hasn't set any pre/post commands, we don't want to