diff --git a/packages/connect-express/.npmignore b/packages/connect-express/.npmignore
index bbdf617b1..ed739e8fb 100644
--- a/packages/connect-express/.npmignore
+++ b/packages/connect-express/.npmignore
@@ -1,2 +1,5 @@
+/src
+/*.json
+/conformance
 /dist/**/*.spec.js
 /dist/**/*.spec.d.ts
diff --git a/packages/connect-express/package.json b/packages/connect-express/package.json
index 0149b33d4..28781d139 100644
--- a/packages/connect-express/package.json
+++ b/packages/connect-express/package.json
@@ -38,8 +38,5 @@
     "@bufbuild/protobuf": "^1.10.0",
     "@connectrpc/connect": "1.4.0",
     "@connectrpc/connect-node": "1.4.0"
-  },
-  "files": [
-    "dist/**"
-  ]
+  }
 }
diff --git a/packages/connect-fastify/.npmignore b/packages/connect-fastify/.npmignore
new file mode 100644
index 000000000..ed739e8fb
--- /dev/null
+++ b/packages/connect-fastify/.npmignore
@@ -0,0 +1,5 @@
+/src
+/*.json
+/conformance
+/dist/**/*.spec.js
+/dist/**/*.spec.d.ts
diff --git a/packages/connect-fastify/package.json b/packages/connect-fastify/package.json
index f20aa3d69..faa83e7ae 100644
--- a/packages/connect-fastify/package.json
+++ b/packages/connect-fastify/package.json
@@ -35,8 +35,5 @@
     "fastify": "^4.22.1",
     "@connectrpc/connect": "1.4.0",
     "@connectrpc/connect-node": "1.4.0"
-  },
-  "files": [
-    "dist/**"
-  ]
+  }
 }
diff --git a/packages/connect-migrate/.npmignore b/packages/connect-migrate/.npmignore
new file mode 100644
index 000000000..d78fd28ad
--- /dev/null
+++ b/packages/connect-migrate/.npmignore
@@ -0,0 +1,4 @@
+/src
+/*.json
+/dist/**/*.spec.js
+/dist/**/*.spec.d.ts
diff --git a/packages/connect-migrate/package.json b/packages/connect-migrate/package.json
index 78aec0528..93f2ab8a9 100644
--- a/packages/connect-migrate/package.json
+++ b/packages/connect-migrate/package.json
@@ -29,9 +29,5 @@
   "devDependencies": {
     "@types/jscodeshift": "0.11.11",
     "@types/semver": "^7.5.8"
-  },
-  "files": [
-    "dist",
-    "!dist/**/*.spec.ts"
-  ]
+  }
 }
diff --git a/packages/connect-next/.npmignore b/packages/connect-next/.npmignore
new file mode 100644
index 000000000..d78fd28ad
--- /dev/null
+++ b/packages/connect-next/.npmignore
@@ -0,0 +1,4 @@
+/src
+/*.json
+/dist/**/*.spec.js
+/dist/**/*.spec.d.ts
diff --git a/packages/connect-next/package.json b/packages/connect-next/package.json
index 0a3a21c11..7aed0ea05 100644
--- a/packages/connect-next/package.json
+++ b/packages/connect-next/package.json
@@ -31,8 +31,5 @@
     "next": "^13.2.4",
     "@connectrpc/connect": "1.4.0",
     "@connectrpc/connect-node": "1.4.0"
-  },
-  "files": [
-    "dist/**"
-  ]
+  }
 }
diff --git a/packages/connect-node/.npmignore b/packages/connect-node/.npmignore
index 79c72b325..d8ddd6802 100644
--- a/packages/connect-node/.npmignore
+++ b/packages/connect-node/.npmignore
@@ -3,3 +3,4 @@
 /dist/*/**/*.spec.js
 /dist/*/**/*.spec.d.ts
 /dist/*/testdata/
+/conformance
diff --git a/packages/connect-node/package.json b/packages/connect-node/package.json
index 7a7882a61..f3b42b0b9 100644
--- a/packages/connect-node/package.json
+++ b/packages/connect-node/package.json
@@ -40,8 +40,5 @@
     "@types/jasmine": "^5.0.0",
     "jasmine": "^5.1.0",
     "@connectrpc/connect-conformance": "^1.4.0"
-  },
-  "files": [
-    "dist/**"
-  ]
+  }
 }
diff --git a/packages/connect-web/.npmignore b/packages/connect-web/.npmignore
index d773a0983..984e7e308 100644
--- a/packages/connect-web/.npmignore
+++ b/packages/connect-web/.npmignore
@@ -1,3 +1,6 @@
+/src
+/*.json
 /dist/*/**/*.spec.js
 /dist/*/**/*.spec.d.ts
-/browserstacktests/*
+/browserstack
+/conformance
diff --git a/packages/connect-web/package.json b/packages/connect-web/package.json
index 541a6857b..19ff2d507 100644
--- a/packages/connect-web/package.json
+++ b/packages/connect-web/package.json
@@ -46,8 +46,5 @@
   "peerDependencies": {
     "@bufbuild/protobuf": "^1.10.0",
     "@connectrpc/connect": "1.4.0"
-  },
-  "files": [
-    "dist/**"
-  ]
+  }
 }
diff --git a/packages/protoc-gen-connect-es/.npmignore b/packages/protoc-gen-connect-es/.npmignore
new file mode 100644
index 000000000..d78fd28ad
--- /dev/null
+++ b/packages/protoc-gen-connect-es/.npmignore
@@ -0,0 +1,4 @@
+/src
+/*.json
+/dist/**/*.spec.js
+/dist/**/*.spec.d.ts