diff --git a/packages/@glimmer/destroyable/package.json b/packages/@glimmer/destroyable/package.json
index 3275a8e927..5374356b4b 100644
--- a/packages/@glimmer/destroyable/package.json
+++ b/packages/@glimmer/destroyable/package.json
@@ -16,7 +16,7 @@
         "development": {
           "import": "./dist/dev/index.js"
         },
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/encoder/package.json b/packages/@glimmer/encoder/package.json
index f089c0fe67..1be2b2ab4f 100644
--- a/packages/@glimmer/encoder/package.json
+++ b/packages/@glimmer/encoder/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/global-context/package.json b/packages/@glimmer/global-context/package.json
index 7d225bf65b..aed169b8c7 100644
--- a/packages/@glimmer/global-context/package.json
+++ b/packages/@glimmer/global-context/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/manager/package.json b/packages/@glimmer/manager/package.json
index 0b4e7e2475..05f93a89c1 100644
--- a/packages/@glimmer/manager/package.json
+++ b/packages/@glimmer/manager/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/node/package.json b/packages/@glimmer/node/package.json
index 52ba1c6ef7..7df166f44a 100644
--- a/packages/@glimmer/node/package.json
+++ b/packages/@glimmer/node/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/opcode-compiler/package.json b/packages/@glimmer/opcode-compiler/package.json
index 3acfeaf5fb..0311c94dbe 100644
--- a/packages/@glimmer/opcode-compiler/package.json
+++ b/packages/@glimmer/opcode-compiler/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/owner/package.json b/packages/@glimmer/owner/package.json
index d8bcf1f352..a6bde2f645 100644
--- a/packages/@glimmer/owner/package.json
+++ b/packages/@glimmer/owner/package.json
@@ -18,7 +18,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/program/package.json b/packages/@glimmer/program/package.json
index 1d764cd385..1b0faf7375 100644
--- a/packages/@glimmer/program/package.json
+++ b/packages/@glimmer/program/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/reference/package.json b/packages/@glimmer/reference/package.json
index 34e8b41ca4..e1bcc6a732 100644
--- a/packages/@glimmer/reference/package.json
+++ b/packages/@glimmer/reference/package.json
@@ -22,7 +22,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/runtime/package.json b/packages/@glimmer/runtime/package.json
index 03ee457852..131710d711 100644
--- a/packages/@glimmer/runtime/package.json
+++ b/packages/@glimmer/runtime/package.json
@@ -16,7 +16,7 @@
         "development": {
           "import": "./dist/dev/index.js"
         },
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/syntax/package.json b/packages/@glimmer/syntax/package.json
index 7dcef56683..ebdf6550f5 100644
--- a/packages/@glimmer/syntax/package.json
+++ b/packages/@glimmer/syntax/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/util/package.json b/packages/@glimmer/util/package.json
index 57e5ca363f..102f39c7f7 100644
--- a/packages/@glimmer/util/package.json
+++ b/packages/@glimmer/util/package.json
@@ -18,7 +18,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/validator/package.json b/packages/@glimmer/validator/package.json
index 2439225796..055da9651f 100644
--- a/packages/@glimmer/validator/package.json
+++ b/packages/@glimmer/validator/package.json
@@ -22,7 +22,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/vm-babel-plugins/package.json b/packages/@glimmer/vm-babel-plugins/package.json
index 72fe1e7eee..3b8fd11d57 100644
--- a/packages/@glimmer/vm-babel-plugins/package.json
+++ b/packages/@glimmer/vm-babel-plugins/package.json
@@ -19,7 +19,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/vm/package.json b/packages/@glimmer/vm/package.json
index bfa8dad3e1..05277cfa53 100644
--- a/packages/@glimmer/vm/package.json
+++ b/packages/@glimmer/vm/package.json
@@ -17,7 +17,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,
diff --git a/packages/@glimmer/wire-format/package.json b/packages/@glimmer/wire-format/package.json
index f2e541a2c3..03207d1f97 100644
--- a/packages/@glimmer/wire-format/package.json
+++ b/packages/@glimmer/wire-format/package.json
@@ -18,7 +18,7 @@
           "import": "./dist/dev/index.js"
         },
         "require": "./dist/dev/index.cjs",
-        "import": "./dist/prod/index.js"
+        "import": "./dist/dev/index.js"
       }
     },
     "main": null,