diff --git a/doc/api/commits.md b/doc/api/commits.md
index 3927a4bbc6207b8066cf6fe7ee27fba13c99cf51..3f2932f2666e95deda6e4fff4e1e9a9965aabfd1 100644
--- a/doc/api/commits.md
+++ b/doc/api/commits.md
@@ -670,6 +670,7 @@ Example response:
       "merge_status":"can_be_merged",
       "sha":"af5b13261899fb2c0db30abdd0af8b07cb44fdc5",
       "merge_commit_sha":null,
+      "squash_commit_sha":null,
       "user_notes_count":0,
       "discussion_locked":null,
       "should_remove_source_branch":null,
diff --git a/doc/api/issues.md b/doc/api/issues.md
index 12a63ce6e243a4aeb9f912d35a7045597f5a6330..4d998848dc632aa4e0ce75d3734f2124b857aba4 100644
--- a/doc/api/issues.md
+++ b/doc/api/issues.md
@@ -1414,6 +1414,7 @@ Example response:
     "merge_status": "cannot_be_merged",
     "sha": "3b7b528e9353295c1c125dad281ac5b5deae5f12",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "discussion_locked": null,
     "should_remove_source_branch": null,
     "force_remove_source_branch": false,
@@ -1544,6 +1545,7 @@ Example response:
     "merge_status": "unchecked",
     "sha": "5a62481d563af92b8e32d735f2fa63b94e806835",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 1,
     "should_remove_source_branch": null,
     "force_remove_source_branch": false,
diff --git a/doc/api/merge_requests.md b/doc/api/merge_requests.md
index 738715d2dbf440ad1120ef8fe12e96d81dbad634..c7129fb952a4a96b9b4deb28e054fe0f9d70ee6d 100644
--- a/doc/api/merge_requests.md
+++ b/doc/api/merge_requests.md
@@ -126,6 +126,7 @@ Parameters:
     "merge_status": "can_be_merged",
     "sha": "8888888888888888888888888888888888888888",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 1,
     "discussion_locked": null,
     "should_remove_source_branch": true,
@@ -287,6 +288,7 @@ Parameters:
     "merge_status": "can_be_merged",
     "sha": "8888888888888888888888888888888888888888",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 1,
     "discussion_locked": null,
     "should_remove_source_branch": true,
@@ -438,6 +440,7 @@ Parameters:
     "merge_status": "can_be_merged",
     "sha": "8888888888888888888888888888888888888888",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 1,
     "discussion_locked": null,
     "should_remove_source_branch": true,
@@ -559,6 +562,7 @@ Parameters:
   "merge_error": null,
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "discussion_locked": null,
   "should_remove_source_branch": true,
@@ -763,6 +767,7 @@ Parameters:
   "subscribed" : true,
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "changes_count": "1",
   "should_remove_source_branch": true,
@@ -970,6 +975,7 @@ order for it to take effect:
   "merge_error": null,
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "discussion_locked": null,
   "should_remove_source_branch": true,
@@ -1123,6 +1129,7 @@ Must include at least one non-required attribute from above.
   "merge_error": null,
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "discussion_locked": null,
   "should_remove_source_branch": true,
@@ -1292,6 +1299,7 @@ Parameters:
   "merge_error": null,
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "discussion_locked": null,
   "should_remove_source_branch": true,
@@ -1464,6 +1472,7 @@ Parameters:
   "merge_error": null,
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "discussion_locked": null,
   "should_remove_source_branch": true,
@@ -1749,6 +1758,7 @@ Example response:
   "merge_status": "can_be_merged",
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "discussion_locked": null,
   "should_remove_source_branch": true,
@@ -1894,6 +1904,7 @@ Example response:
   "merge_status": "can_be_merged",
   "sha": "8888888888888888888888888888888888888888",
   "merge_commit_sha": null,
+  "squash_commit_sha": null,
   "user_notes_count": 1,
   "discussion_locked": null,
   "should_remove_source_branch": true,
@@ -2055,6 +2066,7 @@ Example response:
     "subscribed": true,
     "sha": "8888888888888888888888888888888888888888",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 7,
     "changes_count": "1",
     "should_remove_source_branch": true,
diff --git a/doc/api/search.md b/doc/api/search.md
index ca08f5ca0d755f517c2407f335c217db099a5d24..2ee31ddff2a38d521d4582f4dac99bfcb113f0c9 100644
--- a/doc/api/search.md
+++ b/doc/api/search.md
@@ -181,6 +181,7 @@ Example response:
     "merge_status": "can_be_merged",
     "sha": "78765a2d5e0a43585945c58e61ba2f822e4d090b",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 0,
     "discussion_locked": null,
     "should_remove_source_branch": null,
@@ -577,6 +578,7 @@ Example response:
     "merge_status": "can_be_merged",
     "sha": "78765a2d5e0a43585945c58e61ba2f822e4d090b",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 0,
     "discussion_locked": null,
     "should_remove_source_branch": null,
@@ -878,6 +880,7 @@ Example response:
     "merge_status": "can_be_merged",
     "sha": "78765a2d5e0a43585945c58e61ba2f822e4d090b",
     "merge_commit_sha": null,
+    "squash_commit_sha": null,
     "user_notes_count": 0,
     "discussion_locked": null,
     "should_remove_source_branch": null,