diff --git a/assignments.md b/assignments.md
index 6258f49..3a730cb 100644
--- a/assignments.md
+++ b/assignments.md
@@ -18,9 +18,9 @@ If you get an error when creating a team, **try a different team name**
 | [HW1](https://classroom.github.com/a/Ck-VrNIv)   | Introduction to Haskell         | 4/24                      |
 | [HW2](https://classroom.github.com/a/7RMcGUB-)   | Random Art                      | 5/3                       |
 | [HW3](https://classroom.github.com/a/nTP6peBZ)   | All about Fold                  | 5/13                      |
+| [HW4](https://classroom.github.com/a/dsZotFAF)   | Nano                            | 5/22                      |
 
 <!--
-| [HW4](https://classroom.github.com/a/UbWfqVjR)   | Nano                            | 5/22                      |
 | [HW5](https://classroom.github.com/a/RLvZfnKy)   | Type Classes                    | 6/5                       |   -->
 
 
diff --git a/docs/assignments.html b/docs/assignments.html
index 8b31367..5758299 100644
--- a/docs/assignments.html
+++ b/docs/assignments.html
@@ -272,10 +272,14 @@ <h2 id="assignments">Assignments</h2>
 <td style="text-align: left;">All about Fold</td>
 <td style="text-align: center;">5/13</td>
 </tr>
+<tr class="odd">
+<td style="text-align: center;"><a href="https://classroom.github.com/a/dsZotFAF">HW4</a></td>
+<td style="text-align: left;">Nano</td>
+<td style="text-align: center;">5/22</td>
+</tr>
 </tbody>
 </table>
 <!--
-| [HW4](https://classroom.github.com/a/UbWfqVjR)   | Nano                            | 5/22                      |
 | [HW5](https://classroom.github.com/a/RLvZfnKy)   | Type Classes                    | 6/5                       |   -->
 <h2 id="practice-exams">Practice Exams</h2>
 <ul>