diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index 518936647fca6af1cd5859efcd75cb044c830734..dba2480ef454efee825c0aab08b3b7a293f808e3 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -205,6 +205,8 @@ module OS
       "8.2"   => { clang: "8.0", clang_build: 800 },
       "8.2.1" => { clang: "8.0", clang_build: 800 },
       "8.3"   => { clang: "8.1", clang_build: 802 },
+      "8.3.1" => { clang: "8.1", clang_build: 802 },
+      "8.3.2" => { clang: "8.1", clang_build: 802 },
     }.freeze
 
     def compilers_standard?
diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index 3f0a33482dce79473296ff579e016d0ec3733018..8934697cb05223111dc4e6c79d2a53c9d5f8aa32 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -17,12 +17,12 @@ module OS
         when "10.9"  then "6.2"
         when "10.10" then "7.2.1"
         when "10.11" then "8.2.1"
-        when "10.12" then "8.3.1"
+        when "10.12" then "8.3.2"
         else
           raise "macOS '#{MacOS.version}' is invalid" unless OS::Mac.prerelease?
 
           # Default to newest known version of Xcode for unreleased macOS versions.
-          "8.3.1"
+          "8.3.2"
         end
       end
 
diff --git a/docs/Xcode.md b/docs/Xcode.md
index 759bf63c409cb6721d42964b13ec9d7f4ffbad7c..7c2cca5c8f3c5fec9dd94094f135dff104c9173d 100644
--- a/docs/Xcode.md
+++ b/docs/Xcode.md
@@ -12,7 +12,7 @@ Tools available for your platform:
 | 10.9  | 6.2   | 6.2                |
 | 10.10 | 7.2.1 | 7.2                |
 | 10.11 | 8.2.1 | 8.2                |
-| 10.12 | 8.3   | 8.3                |
+| 10.12 | 8.3.2 | 8.3                |
 
 ## Compiler version database
 
@@ -70,6 +70,8 @@ Tools available for your platform:
 | 8.2   | 鈥�       | 鈥�       | 鈥�            | 鈥�          | 8.0 (800.0.42.1)| 鈥�          |
 | 8.2.1 | 鈥�       | 鈥�       | 鈥�            | 鈥�          | 8.0 (800.0.42.1)| 鈥�          |
 | 8.3   | 鈥�       | 鈥�       | 鈥�            | 鈥�          | 8.1 (802.0.38)  | 鈥�          |
+| 8.3.1 | 鈥�       | 鈥�       | 鈥�            | 鈥�          | 8.1 (802.0.41)  | 鈥�          |
+| 8.3.2 | 鈥�       | 鈥�       | 鈥�            | 鈥�          | 8.1 (802.0.42)  | 鈥�          |
 
 ## References to Xcode and compiler versions in code
 When a new Xcode release is made, the following things need to be