diff --git a/tools_webrtc/ios/client.webrtc/iOS32_Debug.json b/tools_webrtc/ios/client.webrtc/iOS32_Debug.json
index 4ae5e99415..d2966ec3ad 100644
--- a/tools_webrtc/ios/client.webrtc/iOS32_Debug.json
+++ b/tools_webrtc/ios/client.webrtc/iOS32_Debug.json
@@ -2,7 +2,7 @@
   "comments": [
     "Builder for 32-bit devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "ios_enable_code_signing=false",
diff --git a/tools_webrtc/ios/client.webrtc/iOS32_Release.json b/tools_webrtc/ios/client.webrtc/iOS32_Release.json
index ed915458bb..e72a229178 100644
--- a/tools_webrtc/ios/client.webrtc/iOS32_Release.json
+++ b/tools_webrtc/ios/client.webrtc/iOS32_Release.json
@@ -2,7 +2,7 @@
   "comments": [
     "Builder for 32-bit devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "dcheck_always_on=true",
diff --git a/tools_webrtc/ios/client.webrtc/iOS32_Sim_Debug_(iOS_9.0).json b/tools_webrtc/ios/client.webrtc/iOS32_Sim_Debug_(iOS_9.0).json
index 54e3c17fec..395753111f 100644
--- a/tools_webrtc/ios/client.webrtc/iOS32_Sim_Debug_(iOS_9.0).json
+++ b/tools_webrtc/ios/client.webrtc/iOS32_Sim_Debug_(iOS_9.0).json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 32-bit iOS simulators."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/client.webrtc/iOS64_Debug.json b/tools_webrtc/ios/client.webrtc/iOS64_Debug.json
index 2af5805c33..6532c90f50 100644
--- a/tools_webrtc/ios/client.webrtc/iOS64_Debug.json
+++ b/tools_webrtc/ios/client.webrtc/iOS64_Debug.json
@@ -2,7 +2,7 @@
   "comments": [
     "Builder for 64-bit devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "ios_enable_code_signing=false",
diff --git a/tools_webrtc/ios/client.webrtc/iOS64_Release.json b/tools_webrtc/ios/client.webrtc/iOS64_Release.json
index a59ef83fd6..8ca464c3c4 100644
--- a/tools_webrtc/ios/client.webrtc/iOS64_Release.json
+++ b/tools_webrtc/ios/client.webrtc/iOS64_Release.json
@@ -2,7 +2,7 @@
   "comments": [
     "Builder for 64-bit devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "dcheck_always_on=true",
diff --git a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_10.0).json b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_10.0).json
index f5c9d34fb6..e759d95e36 100644
--- a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_10.0).json
+++ b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_10.0).json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS simulators."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_11.0).json b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_11.0).json
index c25e3d1b14..18e168357c 100644
--- a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_11.0).json
+++ b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_11.0).json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS simulators."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_9.0).json b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_9.0).json
index 929897747a..7c957b100d 100644
--- a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_9.0).json
+++ b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_(iOS_9.0).json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS simulators."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
index 60d916d476..7f0600e99f 100644
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
+++ b/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
index 58383fae4a..3ebc691fdc 100644
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
+++ b/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
index a894dba9a3..717d3b1d6d 100644
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
+++ b/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "dcheck_always_on=true",
     "goma_dir=\"$(goma_dir)\"",
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
index 60d916d476..7f0600e99f 100644
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
+++ b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_perf.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_perf.json
index 566876949e..0230c74a92 100644
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_perf.json
+++ b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_perf.json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "goma_dir=\"$(goma_dir)\"",
     "is_component_build=false",
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
index a894dba9a3..717d3b1d6d 100644
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
+++ b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
@@ -2,7 +2,7 @@
   "comments": [
     "Tests for 64-bit iOS devices."
   ],
-  "xcode build version": "9C40b",
+  "xcode build version": "10l232m",
   "gn_args": [
     "dcheck_always_on=true",
     "goma_dir=\"$(goma_dir)\"",