diff --git a/doc/cask_language_reference/readme.md b/doc/cask_language_reference/readme.md
index 275440c1863..b1b4d716588 100644
--- a/doc/cask_language_reference/readme.md
+++ b/doc/cask_language_reference/readme.md
@@ -50,7 +50,7 @@ if MacOS.version <= :mavericks     # symbolic name
 if MacOS.version <= '10.9'         # version string
 ```
 
-The available symbols for macOS versions are: `:cheetah`, `:puma`, `:jaguar`, `:panther`, `:tiger`, `:leopard`, `:snow_leopard`, `:lion`, `:mountain_lion`, `:mavericks`, `:yosemite`, `:el_capitan`, `:sierra`, and `:high_sierra`. The corresponding numeric version strings should be given as major releases containing a single dot.
+The available symbols for macOS versions are: `:cheetah`, `:puma`, `:jaguar`, `:panther`, `:tiger`, `:leopard`, `:snow_leopard`, `:lion`, `:mountain_lion`, `:mavericks`, `:yosemite`, `:el_capitan`, `:sierra`, `:high_sierra`, and `:mojave`. The corresponding numeric version strings should be given as major releases containing a single dot.
 
 ### Always Fall Through to the Newest Case
 
diff --git a/doc/cask_language_reference/stanzas/depends_on.md b/doc/cask_language_reference/stanzas/depends_on.md
index 302bc6176a8..c7f5bd40350 100644
--- a/doc/cask_language_reference/stanzas/depends_on.md
+++ b/doc/cask_language_reference/stanzas/depends_on.md
@@ -47,6 +47,7 @@ The available values for macOS releases are:
 | `:el_capitan`      | `'10.11'`
 | `:sierra`          | `'10.12'`
 | `:high_sierra`     | `'10.13'`
+| `:mojave`          | `'10.14'`
 
 Only major releases are covered (version numbers containing a single dot). The symbol form is preferred for readability. The following are all valid ways to enumerate the exact macOS release requirements for a Cask:
 
diff --git a/doc/development/adding_a_cask.md b/doc/development/adding_a_cask.md
index cd1eedfedb8..975045ead16 100644
--- a/doc/development/adding_a_cask.md
+++ b/doc/development/adding_a_cask.md
@@ -193,7 +193,7 @@ We maintain separate Taps for different types of binaries. Our nomenclature is:
 
 ### Stable Versions
 
-Stable versions live in the main repository at [Homebrew/homebrew-cask](https://github.com/Homebrew/homebrew-cask). They should run on the latest release of macOS or the previous point release (High Sierra and Sierra as of late 2017).
+Stable versions live in the main repository at [Homebrew/homebrew-cask](https://github.com/Homebrew/homebrew-cask). They should run on the latest release of macOS or the previous point release (High Sierra and Mojave as of late 2018).
 
 ### But There Is No Stable Version!