diff --git a/lib/dart/pubspec.yaml b/lib/dart/pubspec.yaml
index 006e219..a94dec9 100644
--- a/lib/dart/pubspec.yaml
+++ b/lib/dart/pubspec.yaml
@@ -27,17 +27,17 @@
   sdk: ">=2.0.0 <3.0.0"
 
 dependencies:
-  fixnum: ^0.10.2
-  http: ">=0.11.3 <0.13.0"
-  logging: ^0.11.0
+  fixnum: ">=0.10.2 <2.0.0"
+  http: ">=0.11.3 <0.14.0"
+  logging: ">=0.11.0 <2.0.0"
 
 dev_dependencies:
-  build_runner: ^1.7.1
-  build_test: ^0.10.9
+  build_runner: ">=1.7.1 <3.0.0"
+  build_test: ">=0.10.9 <3.0.0"
   build_vm_compilers: ^1.0.3
-  build_web_compilers: ^2.7.1
+  build_web_compilers: ">=2.7.1 <4.0.0"
   dart_dev: ^3.0.0
-  dart_style: ^1.3.1
-  mockito: ^4.1.1
+  dart_style: ">=1.3.1 <3.0.0"
+  mockito: ">=4.1.1 <6.0.0"
   test: ^1.9.1
   workiva_analysis_options: ^1.0.0
\ No newline at end of file