diff --git a/package.json b/package.json
index e9b17b3fe..841cfd588 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,6 @@
     "precompiles",
     "src",
     "test/utils",
-    "!test/utils/*.t.sol",
     "CHANGELOG.md",
     "LICENSE-GPL.md"
   ],
diff --git a/test/utils/.npmignore b/test/utils/.npmignore
new file mode 100644
index 000000000..c607d373a
--- /dev/null
+++ b/test/utils/.npmignore
@@ -0,0 +1 @@
+*.t.sol