diff --git a/HISTORY.txt b/HISTORY.txt
index 973d9f48..97426f9a 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -1,3 +1,4 @@
+ - Fixed regression causing development packages to always be installed
 9.0.0: 
  - Fixed bug where packages beginning with vcs names (e.g. git) weren't installed correctly.
  - Fixed url parsing for <vcs>+<vcs>:// style urls.
diff --git a/pipenv/utils.py b/pipenv/utils.py
index 52fec9e7..50ba449e 100644
--- a/pipenv/utils.py
+++ b/pipenv/utils.py
@@ -998,6 +998,8 @@ def merge_deps(file_dict, project, dev=False, requirements=False, ignore_hashes=
         if not file_dict[section] or section_name not in ('dev-packages', 'packages', 'default', 'develop'):
             continue
         is_dev = section_name in ('dev-packages', 'develop')
+        if is_dev and not dev:
+            continue
 
         if ignore_hashes:
             for k, v in file_dict[section]:
diff --git a/tests/test_pipenv.py b/tests/test_pipenv.py
index 66d06d3e..bd716c71 100644
--- a/tests/test_pipenv.py
+++ b/tests/test_pipenv.py
@@ -243,6 +243,32 @@ class TestPipenv:
             c = p.pipenv('run python -m requests.help')
             assert c.return_code == 0
 
+    @pytest.mark.dev
+    @pytest.mark.install
+    def test_install_without_dev(self):
+        """Ensure that running `pipenv install` doesn't install dev packages"""
+        with PipenvInstance() as p:
+            with open(p.pipfile_path, 'w') as f:
+                contents = """
+[packages]
+tablib = "*"
+
+[dev-packages]
+records = "*"
+                """.strip()
+                f.write(contents)
+            c = p.pipenv('install')
+            assert c.return_code == 0
+            assert 'tablib' in p.pipfile['packages']
+            assert 'records' in p.pipfile['dev-packages']
+            assert 'tablib' in p.lockfile['default']
+            assert 'records' in p.lockfile['develop']
+            c = p.pipenv('run python -c "import records"')
+            assert c.return_code != 0
+            c = p.pipenv('run python -c "import tablib"')
+            assert c.return_code == 0
+                
+
     @pytest.mark.run
     @pytest.mark.uninstall
     def test_uninstall(self):