diff --git a/Manifest.toml b/Manifest.toml
index a037a79..21f4d42 100644
--- a/Manifest.toml
+++ b/Manifest.toml
@@ -37,9 +37,9 @@ uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
 
 [[Mustache]]
 deps = ["Tables", "Test"]
-git-tree-sha1 = "536782063c50421b05d1369bbd09fced13624361"
+git-tree-sha1 = "be8d12b4a84ed7b592a6540b71c664440a4dd7f1"
 uuid = "ffc61752-8dc7-55ee-8c37-f3e9cdd09e70"
-version = "0.5.7"
+version = "0.5.8"
 
 [[Pkg]]
 deps = ["Dates", "LibGit2", "Markdown", "Printf", "REPL", "Random", "SHA", "UUIDs"]
diff --git a/test/plugins/travisci.jl b/test/plugins/travisci.jl
index 070f653..20d1fbb 100644
--- a/test/plugins/travisci.jl
+++ b/test/plugins/travisci.jl
@@ -37,7 +37,7 @@ pkg_dir = joinpath(t.dir, test_pkg)
         @test !occursin("after_success", travis)
         @test !occursin("Codecov.submit", travis)
         @test !occursin("Coveralls.submit", travis)
-        @test !occursin("Pkg.add(\"Documenter\")", travis)
+        @test !occursin("stage: Documentation", travis)
         rm(joinpath(pkg_dir, ".travis.yml"))
 
         # Generating the plugin with Codecov in the template should create a post-test step.
@@ -48,7 +48,7 @@ pkg_dir = joinpath(t.dir, test_pkg)
         @test occursin("after_success", travis)
         @test occursin("Codecov.submit", travis)
         @test !occursin("Coveralls.submit", travis)
-        @test !occursin("Pkg.add(\"Documenter\")", travis)
+        @test !occursin("stage: Documentation", travis)
         rm(joinpath(pkg_dir, ".travis.yml"))
 
         # Coveralls should do the same.
@@ -59,7 +59,7 @@ pkg_dir = joinpath(t.dir, test_pkg)
         @test occursin("after_success", travis)
         @test occursin("Coveralls.submit", travis)
         @test !occursin("Codecov.submit", travis)
-        @test !occursin("Pkg.add(\"Documenter\")", travis)
+        @test !occursin("stage: Documentation", travis)
         rm(joinpath(pkg_dir, ".travis.yml"))
 
         # With a Documenter plugin, there should be a docs deployment step.
@@ -68,7 +68,7 @@ pkg_dir = joinpath(t.dir, test_pkg)
         delete!(t.plugins, GitHubPages)
         travis = read(joinpath(pkg_dir, ".travis.yml"), String)
         @test occursin("after_success", travis)
-        @test occursin("Pkg.add(\"Documenter\")", travis)
+        @test occursin("stage: Documentation", travis)
         @test !occursin("Codecov.submit", travis)
         @test !occursin("Coveralls.submit", travis)
         rm(joinpath(pkg_dir, ".travis.yml"))
diff --git a/test/tests.jl b/test/tests.jl
index aa95582..3c1690c 100644
--- a/test/tests.jl
+++ b/test/tests.jl
@@ -463,7 +463,7 @@ end
         @test occursin("\n    checkdocs=:none,\n", make)
 
         @test !occursin("format=:markdown", make)
-        @test occursin("format=:html", make)
+        @test occursin("format=Documenter.HTML()", make)
         rm(pkg_dir; recursive=true)
     end
     # Test with string kwargs