diff --git a/benchmark/pubspec.lock b/benchmark/pubspec.lock
index 23eec1cc4..9200d7875 100644
--- a/benchmark/pubspec.lock
+++ b/benchmark/pubspec.lock
@@ -18,7 +18,7 @@ packages:
   barback:
     description: barback
     source: hosted
-    version: "0.13.0"
+    version: "0.12.0"
   benchmark_harness:
     description: benchmark_harness
     source: hosted
@@ -42,7 +42,7 @@ packages:
   html5lib:
     description: html5lib
     source: hosted
-    version: "0.9.2"
+    version: "0.10.0"
   intl:
     description: intl
     source: hosted
diff --git a/benchmark/pubspec.yaml b/benchmark/pubspec.yaml
index f31eb9b6c..c43dc2732 100644
--- a/benchmark/pubspec.yaml
+++ b/benchmark/pubspec.yaml
@@ -20,7 +20,7 @@ dependencies:
   code_transformers: '>=0.1.0 <0.2.0'
   collection: '>=0.9.1 <1.0.0'
   di: '>=0.0.37 <0.1.0'
-  html5lib: '>=0.8.7 <0.10.0'
+  html5lib: '>=0.10.0 <0.11.0'
   intl: '>=0.8.7 <0.10.0'
   perf_api: '>=0.0.8 <0.1.0'
   route_hierarchical: '>=0.4.7 <0.5.0'
diff --git a/pubspec.lock b/pubspec.lock
index 119c9bbf2..0f41014c0 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -12,7 +12,7 @@ packages:
   barback:
     description: barback
     source: hosted
-    version: "0.13.0"
+    version: "0.12.0"
   benchmark_harness:
     description: benchmark_harness
     source: hosted
@@ -36,7 +36,7 @@ packages:
   html5lib:
     description: html5lib
     source: hosted
-    version: "0.9.2"
+    version: "0.10.0"
   intl:
     description: intl
     source: hosted
diff --git a/pubspec.yaml b/pubspec.yaml
index 4433182e8..1ca47308c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -20,7 +20,7 @@ dependencies:
   code_transformers: '>=0.1.3 <0.2.0'
   collection: '>=0.9.1 <1.0.0'
   di: '>=0.0.37 <0.1.0'
-  html5lib: '>=0.9.2 <0.10.0'
+  html5lib: '>=0.10.0 <0.11.0'
   intl: '>=0.8.7 <0.10.0'
   perf_api: '>=0.0.8 <0.1.0'
   route_hierarchical: '>=0.4.18 <0.5.0'