diff --git a/portable_text.gemspec b/portable_text.gemspec
index d6f75e5..8ab59bc 100644
--- a/portable_text.gemspec
+++ b/portable_text.gemspec
@@ -25,10 +25,10 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "activesupport", "~> 7.2"
+  spec.add_dependency "activesupport", ">= 6.0", "< 8.0"
   spec.add_dependency "dry-configurable", "~> 1.0"
   spec.add_dependency "dry-inflector", "~> 1.0"
-  spec.add_dependency "dry-initializer", "~> 3.1"
+  spec.add_dependency "dry-initializer", "~> 3.1.1"
   spec.add_dependency "phlex", "~> 1.10"
   spec.add_dependency "zeitwerk", "~> 2.6"