diff --git a/packages/jest-cli/src/__tests__/__snapshots__/generateEmptyCoverage-test.js.snap b/packages/jest-cli/src/__tests__/__snapshots__/generateEmptyCoverage-test.js.snap
index 1a70f07aeb52..003338f102f8 100644
--- a/packages/jest-cli/src/__tests__/__snapshots__/generateEmptyCoverage-test.js.snap
+++ b/packages/jest-cli/src/__tests__/__snapshots__/generateEmptyCoverage-test.js.snap
@@ -3,73 +3,73 @@ Object {
   "b": Object {
     "0": Array [
       0,
-      0
-    ]
+      0,
+    ],
   },
   "branchMap": Object {
     "0": Object {
       "loc": Object {
         "end": Object {
           "column": 3,
-          "line": 9
+          "line": 9,
         },
         "start": Object {
           "column": 2,
-          "line": 5
-        }
+          "line": 5,
+        },
       },
       "locations": Array [
         Object {
           "end": Object {
             "column": 3,
-            "line": 9
+            "line": 9,
           },
           "start": Object {
             "column": 2,
-            "line": 5
-          }
+            "line": 5,
+          },
         },
         Object {
           "end": Object {
             "column": 3,
-            "line": 9
+            "line": 9,
           },
           "start": Object {
             "column": 2,
-            "line": 5
-          }
-        }
+            "line": 5,
+          },
+        },
       ],
-      "type": "if"
-    }
+      "type": "if",
+    },
   },
   "f": Object {
-    "0": 0
+    "0": 0,
   },
   "fnMap": Object {
     "0": Object {
       "decl": Object {
         "end": Object {
           "column": 11,
-          "line": 4
+          "line": 4,
         },
         "start": Object {
           "column": 10,
-          "line": 4
-        }
+          "line": 4,
+        },
       },
       "loc": Object {
         "end": Object {
           "column": 1,
-          "line": 10
+          "line": 10,
         },
         "start": Object {
           "column": 20,
-          "line": 4
-        }
+          "line": 4,
+        },
       },
-      "name": "(anonymous_0)"
-    }
+      "name": "(anonymous_0)",
+    },
   },
   "path": "/sum.js",
   "s": Object {
@@ -78,69 +78,69 @@ Object {
     "2": 0,
     "3": 0,
     "4": 0,
-    "5": 0
+    "5": 0,
   },
   "statementMap": Object {
     "0": Object {
       "end": Object {
         "column": 45,
-        "line": 2
+        "line": 2,
       },
       "start": Object {
         "column": 0,
-        "line": 2
-      }
+        "line": 2,
+      },
     },
     "1": Object {
       "end": Object {
         "column": 1,
-        "line": 10
+        "line": 10,
       },
       "start": Object {
         "column": 10,
-        "line": 4
-      }
+        "line": 4,
+      },
     },
     "2": Object {
       "end": Object {
         "column": 3,
-        "line": 9
+        "line": 9,
       },
       "start": Object {
         "column": 2,
-        "line": 5
-      }
+        "line": 5,
+      },
     },
     "3": Object {
       "end": Object {
         "column": 13,
-        "line": 6
+        "line": 6,
       },
       "start": Object {
         "column": 4,
-        "line": 6
-      }
+        "line": 6,
+      },
     },
     "4": Object {
       "end": Object {
         "column": 13,
-        "line": 8
+        "line": 8,
       },
       "start": Object {
         "column": 4,
-        "line": 8
-      }
+        "line": 8,
+      },
     },
     "5": Object {
       "end": Object {
         "column": 2,
-        "line": 14
+        "line": 14,
       },
       "start": Object {
         "column": 0,
-        "line": 12
-      }
-    }
-  }
+        "line": 12,
+      },
+    },
+  },
 }
 `;
diff --git a/packages/jest-diff/package.json b/packages/jest-diff/package.json
index f25f866efcc8..df1a5b22e7b6 100644
--- a/packages/jest-diff/package.json
+++ b/packages/jest-diff/package.json
@@ -11,7 +11,7 @@
     "chalk": "^1.1.3",
     "diff": "^3.0.0",
     "jest-matcher-utils": "^15.1.0",
-    "pretty-format": "^3.7.0"
+    "pretty-format": "~4.0.0"
   },
   "scripts": {
     "test": "../../packages/jest-cli/bin/jest.js"
diff --git a/packages/jest-matchers/src/__tests__/__snapshots__/matchers-test.js.snap b/packages/jest-matchers/src/__tests__/__snapshots__/matchers-test.js.snap
index 56941f26568d..34b5464634f2 100644
--- a/packages/jest-matchers/src/__tests__/__snapshots__/matchers-test.js.snap
+++ b/packages/jest-matchers/src/__tests__/__snapshots__/matchers-test.js.snap
@@ -13,7 +13,7 @@ Difference:
 
 - Object {}
 + Object {
-+   \"circular\": [Circular]
++   \"circular\": [Circular],
 + }"
 `;
 
@@ -162,8 +162,8 @@ Difference:
 + Received
 
   Object {
--   \"a\": 5
-+   \"a\": 1
+-   \"a\": 5,
++   \"a\": 1,
   }"
 `;
 
@@ -1650,8 +1650,8 @@ Difference:
 + Received
 
   Object {
--   \"b\": 6
-+   \"a\": 5
+-   \"b\": 6,
++   \"a\": 5,
   }"
 `;
 
diff --git a/packages/jest-snapshot/package.json b/packages/jest-snapshot/package.json
index c65ee2eac7d5..d882beebd7f2 100644
--- a/packages/jest-snapshot/package.json
+++ b/packages/jest-snapshot/package.json
@@ -11,7 +11,7 @@
     "jest-diff": "^15.1.0",
     "jest-file-exists": "^15.0.0",
     "jest-util": "^15.1.1",
-    "pretty-format": "^3.7.0"
+    "pretty-format": "~4.0.0"
   },
   "scripts": {
     "test": "../jest-cli/bin/jest.js"