diff --git a/HISTORY.txt b/HISTORY.txt
index 062fa3c5..85fc2b22 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -5,6 +5,7 @@
  - make `graph --json` consistient with `graph`.
  - Much better support for suggesting package names.
  - Updated to pipfile spec 4, support for path= for relative package names.
+ - Import sources from requirements files.
 7.4.3:
  - Download/install things concurrently.
 7.4.2:
diff --git a/pipenv/cli.py b/pipenv/cli.py
index 264a8077..c0ff67da 100644
--- a/pipenv/cli.py
+++ b/pipenv/cli.py
@@ -224,6 +224,15 @@ def import_requirements(r=None):
     if r is None:
         r = project.requirements_location
 
+    with open(r, 'r') as f:
+        contents = f.read()
+
+    indexes = []
+    # Find and add extra indexes.
+    for line in contents.split('\n'):
+        if line.startswith('-i '):
+            indexes.append(line.split()[1])
+
     reqs = [f for f in parse_requirements(r, session=pip._vendor.requests)]
 
     for package in reqs:
@@ -238,6 +247,9 @@ def import_requirements(r=None):
             else:
                 project.add_package_to_pipfile(str(package.req))
 
+    for index in indexes:
+        project.add_index_to_pipfile(index)
+
     project.recase_pipfile()
 
 
diff --git a/pipenv/project.py b/pipenv/project.py
index 8e204a7a..b20c5809 100644
--- a/pipenv/project.py
+++ b/pipenv/project.py
@@ -416,5 +416,23 @@ class Project(object):
         # Write Pipfile.
         self.write_toml(p)
 
+    def add_index_to_pipfile(self, index):
+        """Adds a given index to the Pipfile."""
+
+        # Read and append Pipfile.
+        p = self._pipfile
+
+        source = {'url': index, 'verify_ssl': True}
+
+        # Add the package to the group.
+        if 'source' not in p:
+            p['source'] = [source]
+
+        else:
+            p['source'].append(source)
+
+        # Write Pipfile.
+        self.write_toml(p)
+
     def recase_pipfile(self):
         self.write_toml(recase_file(self._pipfile))