diff --git a/.travis.yml b/.travis.yml
index 30b4a135..738bacd7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ dart:
   # SDK version to prevent errors when using Stagehand from inside VSCode's
   # Dart and Flutter plugins. For more detail, please see:
   # https://github.com/dart-lang/stagehand/issues/617
-  - 2.5.0
+  - 2.7.0
   - dev
 
 cache:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44f6b1a7..35d36124 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.3.5
+
+- Updated minimum Dart SDK to 2.7 in stagehand tool and templates.
+
 ## 3.3.5-dev
 
 - Internal cleanup.
diff --git a/lib/src/generators/console_full.g.dart b/lib/src/generators/console_full.g.dart
index a64bc460..36710265 100644
--- a/lib/src/generators/console_full.g.dart
+++ b/lib/src/generators/console_full.g.dart
@@ -50,7 +50,7 @@ cmludCgnSGVsbG8gd29ybGQ6ICR7X19wcm9qZWN0TmFtZV9fLmNhbGN1bGF0ZSgpfSEnKTsKfQo=''',
   '''
 bmFtZTogX19wcm9qZWN0TmFtZV9fCmRlc2NyaXB0aW9uOiBBIHNhbXBsZSBjb21tYW5kLWxpbmUg
 YXBwbGljYXRpb24uCiMgdmVyc2lvbjogMS4wLjAKIyBob21lcGFnZTogaHR0cHM6Ly93d3cuZXhh
-bXBsZS5jb20KCmVudmlyb25tZW50OgogIHNkazogJz49Mi41LjAgPDMuMC4wJwoKI2RlcGVuZGVu
+bXBsZS5jb20KCmVudmlyb25tZW50OgogIHNkazogJz49Mi43LjAgPDMuMC4wJwoKI2RlcGVuZGVu
 Y2llczoKIyAgcGF0aDogXjEuNi4wCgpkZXZfZGVwZW5kZW5jaWVzOgogIHBlZGFudGljOiBeMS44
 LjAKICB0ZXN0OiBeMS42LjAK''',
   'test/__projectName___test.dart',
diff --git a/lib/src/generators/package_simple.g.dart b/lib/src/generators/package_simple.g.dart
index 0ef6a0c0..ab1e1f1b 100644
--- a/lib/src/generators/package_simple.g.dart
+++ b/lib/src/generators/package_simple.g.dart
@@ -65,7 +65,7 @@ IGJvb2wgZ2V0IGlzQXdlc29tZSA9PiB0cnVlOwp9Cg==''',
   '''
 bmFtZTogX19wcm9qZWN0TmFtZV9fCmRlc2NyaXB0aW9uOiBBIHN0YXJ0aW5nIHBvaW50IGZvciBE
 YXJ0IGxpYnJhcmllcyBvciBhcHBsaWNhdGlvbnMuCiMgdmVyc2lvbjogMS4wLjAKIyBob21lcGFn
-ZTogaHR0cHM6Ly93d3cuZXhhbXBsZS5jb20KCmVudmlyb25tZW50OgogIHNkazogJz49Mi41LjAg
+ZTogaHR0cHM6Ly93d3cuZXhhbXBsZS5jb20KCmVudmlyb25tZW50OgogIHNkazogJz49Mi43LjAg
 PDMuMC4wJwoKI2RlcGVuZGVuY2llczoKIyAgcGF0aDogXjEuNi4wCgpkZXZfZGVwZW5kZW5jaWVz
 OgogIHBlZGFudGljOiBeMS44LjAKICB0ZXN0OiBeMS42LjAK''',
   'test/__projectName___test.dart',
diff --git a/lib/src/generators/server_shelf.g.dart b/lib/src/generators/server_shelf.g.dart
index 9d4c20ee..8b04b8fb 100644
--- a/lib/src/generators/server_shelf.g.dart
+++ b/lib/src/generators/server_shelf.g.dart
@@ -63,7 +63,7 @@ UmVxdWVzdCBmb3IgIiR7cmVxdWVzdC51cmx9IicpOwo=''',
   '''
 bmFtZTogX19wcm9qZWN0TmFtZV9fCmRlc2NyaXB0aW9uOiBBIHdlYiBzZXJ2ZXIgYnVpbHQgdXNp
 bmcgdGhlIHNoZWxmIHBhY2thZ2UuCiMgdmVyc2lvbjogMS4wLjAKIyBob21lcGFnZTogaHR0cHM6
-Ly93d3cuZXhhbXBsZS5jb20KCmVudmlyb25tZW50OgogIHNkazogJz49Mi41LjAgPDMuMC4wJwoK
+Ly93d3cuZXhhbXBsZS5jb20KCmVudmlyb25tZW50OgogIHNkazogJz49Mi43LjAgPDMuMC4wJwoK
 ZGVwZW5kZW5jaWVzOgogIGFyZ3M6IF4xLjUuMAogIHNoZWxmOiBeMC43LjUKCmRldl9kZXBlbmRl
 bmNpZXM6CiAgcGVkYW50aWM6IF4xLjguMAo='''
 ];
diff --git a/lib/src/generators/web_angular.g.dart b/lib/src/generators/web_angular.g.dart
index 0a99d3e9..aa3e5b7d 100644
--- a/lib/src/generators/web_angular.g.dart
+++ b/lib/src/generators/web_angular.g.dart
@@ -123,7 +123,7 @@ bmc+PiBnZXRUb2RvTGlzdCgpIGFzeW5jID0+IG1vY2tUb2RvTGlzdDsKfQo=''',
   '''
 bmFtZTogX19wcm9qZWN0TmFtZV9fCmRlc2NyaXB0aW9uOiBBIHdlYiBhcHAgdGhhdCB1c2VzIEFu
 Z3VsYXJEYXJ0IENvbXBvbmVudHMKIyB2ZXJzaW9uOiAxLjAuMAojIGhvbWVwYWdlOiBodHRwczov
-L3d3dy5leGFtcGxlLmNvbQoKZW52aXJvbm1lbnQ6CiAgc2RrOiAnPj0yLjUuMCA8My4wLjAnCgpk
+L3d3dy5leGFtcGxlLmNvbQoKZW52aXJvbm1lbnQ6CiAgc2RrOiAnPj0yLjcuMCA8My4wLjAnCgpk
 ZXBlbmRlbmNpZXM6CiAgYW5ndWxhcjogXjUuMy4wCiAgYW5ndWxhcl9jb21wb25lbnRzOiBeMC4x
 My4wCgpkZXZfZGVwZW5kZW5jaWVzOgogIGFuZ3VsYXJfdGVzdDogXjIuMy4wCiAgYnVpbGRfcnVu
 bmVyOiBeMS42LjAKICBidWlsZF90ZXN0OiBeMC4xMC44CiAgYnVpbGRfd2ViX2NvbXBpbGVyczog
diff --git a/lib/src/generators/web_simple.g.dart b/lib/src/generators/web_simple.g.dart
index 80a81c92..c1458c28 100644
--- a/lib/src/generators/web_simple.g.dart
+++ b/lib/src/generators/web_simple.g.dart
@@ -41,7 +41,7 @@ CiMgICAgIC0gcGF0aC90by9leGNsdWRlZC9maWxlcy8qKgo=''',
   '''
 bmFtZTogX19wcm9qZWN0TmFtZV9fCmRlc2NyaXB0aW9uOiBBbiBhYnNvbHV0ZSBiYXJlLWJvbmVz
 IHdlYiBhcHAuCiMgdmVyc2lvbjogMS4wLjAKI2hvbWVwYWdlOiBodHRwczovL3d3dy5leGFtcGxl
-LmNvbQoKZW52aXJvbm1lbnQ6CiAgc2RrOiAnPj0yLjUuMCA8My4wLjAnCgojZGVwZW5kZW5jaWVz
+LmNvbQoKZW52aXJvbm1lbnQ6CiAgc2RrOiAnPj0yLjcuMCA8My4wLjAnCgojZGVwZW5kZW5jaWVz
 OgojICBwYXRoOiBeMS42LjAKCmRldl9kZXBlbmRlbmNpZXM6CiAgYnVpbGRfcnVubmVyOiBeMS42
 LjAKICBidWlsZF93ZWJfY29tcGlsZXJzOiBeMi4zLjAKICBwZWRhbnRpYzogXjEuOC4wCg==''',
   'web/favicon.ico',
diff --git a/lib/src/generators/web_stagexl.g.dart b/lib/src/generators/web_stagexl.g.dart
index 7bef94c9..2804ee55 100644
--- a/lib/src/generators/web_stagexl.g.dart
+++ b/lib/src/generators/web_stagexl.g.dart
@@ -41,7 +41,7 @@ CiMgICAgIC0gcGF0aC90by9leGNsdWRlZC9maWxlcy8qKgo=''',
   '''
 bmFtZTogX19wcm9qZWN0TmFtZV9fCmRlc2NyaXB0aW9uOiBBIHNpbXBsZSBTdGFnZVhMIHdlYiBh
 cHAuCiMgdmVyc2lvbjogMS4wLjAKI2hvbWVwYWdlOiBodHRwczovL3d3dy5leGFtcGxlLmNvbQoK
-ZW52aXJvbm1lbnQ6CiAgc2RrOiAnPj0yLjUuMCA8My4wLjAnCgpkZXBlbmRlbmNpZXM6CiAgc3Rh
+ZW52aXJvbm1lbnQ6CiAgc2RrOiAnPj0yLjcuMCA8My4wLjAnCgpkZXBlbmRlbmNpZXM6CiAgc3Rh
 Z2V4bDogXjEuNC4wCgpkZXZfZGVwZW5kZW5jaWVzOgogIGJ1aWxkX3J1bm5lcjogXjEuNi4wCiAg
 YnVpbGRfd2ViX2NvbXBpbGVyczogXjIuMy4wCiAgcGVkYW50aWM6IF4xLjguMAo=''',
   'web/images/dart@1x.png',
diff --git a/lib/src/version.dart b/lib/src/version.dart
index 24950cac..778b53ab 100644
--- a/lib/src/version.dart
+++ b/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '3.3.5-dev';
+const packageVersion = '3.3.5';
diff --git a/pubspec.yaml b/pubspec.yaml
index 5be1e66b..08955262 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -7,7 +7,7 @@ description: >
   A scaffolding generator for your Dart projects. Stagehand helps you get set
   up!
 # After changing the version, run `pub run build_runner build`.
-version: 3.3.5-dev
+version: 3.3.5
 homepage: https://github.com/dart-lang/stagehand
 
 environment:
@@ -17,7 +17,7 @@ environment:
   # https://github.com/dart-lang/stagehand/issues/617
   #
   # Also make sure this minimmum sdk version is reflected in `.travis.yml`.
-  sdk: '>=2.5.0 <3.0.0'
+  sdk: '>=2.7.0 <3.0.0'
 
 # Add the bin/stagehand.dart script to the scripts pub installs.
 executables:
@@ -27,7 +27,7 @@ dependencies:
   args: ^1.5.0
   http: ^0.12.0
   path: ^1.6.0
-  pedantic: ^1.8.0
+  pedantic: ^1.9.0
   usage: ^3.4.0
 
 dev_dependencies:
diff --git a/templates/console-full/pubspec.yaml b/templates/console-full/pubspec.yaml
index 9807d846..380453d4 100644
--- a/templates/console-full/pubspec.yaml
+++ b/templates/console-full/pubspec.yaml
@@ -4,7 +4,7 @@ description: A sample command-line application.
 # homepage: https://www.example.com
 
 environment:
-  sdk: '>=2.5.0 <3.0.0'
+  sdk: '>=2.7.0 <3.0.0'
 
 #dependencies:
 #  path: ^1.6.0
diff --git a/templates/package-simple/pubspec.yaml b/templates/package-simple/pubspec.yaml
index b34d1918..1a251bc0 100644
--- a/templates/package-simple/pubspec.yaml
+++ b/templates/package-simple/pubspec.yaml
@@ -4,7 +4,7 @@ description: A starting point for Dart libraries or applications.
 # homepage: https://www.example.com
 
 environment:
-  sdk: '>=2.5.0 <3.0.0'
+  sdk: '>=2.7.0 <3.0.0'
 
 #dependencies:
 #  path: ^1.6.0
diff --git a/templates/server-shelf/pubspec.yaml b/templates/server-shelf/pubspec.yaml
index 6ce7d58d..d27c054e 100644
--- a/templates/server-shelf/pubspec.yaml
+++ b/templates/server-shelf/pubspec.yaml
@@ -4,7 +4,7 @@ description: A web server built using the shelf package.
 # homepage: https://www.example.com
 
 environment:
-  sdk: '>=2.5.0 <3.0.0'
+  sdk: '>=2.7.0 <3.0.0'
 
 dependencies:
   args: ^1.5.0
diff --git a/templates/web-angular/pubspec.yaml b/templates/web-angular/pubspec.yaml
index fd8757ed..26f56b96 100644
--- a/templates/web-angular/pubspec.yaml
+++ b/templates/web-angular/pubspec.yaml
@@ -4,7 +4,7 @@ description: A web app that uses AngularDart Components
 # homepage: https://www.example.com
 
 environment:
-  sdk: '>=2.5.0 <3.0.0'
+  sdk: '>=2.7.0 <3.0.0'
 
 dependencies:
   angular: ^5.3.0
diff --git a/templates/web-simple/pubspec.yaml b/templates/web-simple/pubspec.yaml
index 8da16d38..335cca6e 100644
--- a/templates/web-simple/pubspec.yaml
+++ b/templates/web-simple/pubspec.yaml
@@ -4,7 +4,7 @@ description: An absolute bare-bones web app.
 #homepage: https://www.example.com
 
 environment:
-  sdk: '>=2.5.0 <3.0.0'
+  sdk: '>=2.7.0 <3.0.0'
 
 #dependencies:
 #  path: ^1.6.0
diff --git a/templates/web-stagexl/pubspec.yaml b/templates/web-stagexl/pubspec.yaml
index bd9b1830..4fc12e23 100644
--- a/templates/web-stagexl/pubspec.yaml
+++ b/templates/web-stagexl/pubspec.yaml
@@ -4,7 +4,7 @@ description: A simple StageXL web app.
 #homepage: https://www.example.com
 
 environment:
-  sdk: '>=2.5.0 <3.0.0'
+  sdk: '>=2.7.0 <3.0.0'
 
 dependencies:
   stagexl: ^1.4.0
diff --git a/test/validate_templates.dart b/test/validate_templates.dart
index fbb53ad2..c8a45f6b 100644
--- a/test/validate_templates.dart
+++ b/test/validate_templates.dart
@@ -156,7 +156,7 @@ void _testGenerator(stagehand.Generator generator, Directory tempDir) {
   expect(pubspecContent, containsPair('description', isNotEmpty));
 
   expect(
-      pubspecContent, containsPair('environment', {'sdk': '>=2.5.0 <3.0.0'}));
+      pubspecContent, containsPair('environment', {'sdk': '>=2.7.0 <3.0.0'}));
 
   // Run package tests, if `test` is included.
   var devDeps = pubspecContent['dev_dependencies'];