diff --git a/lib/vmpooler.rb b/lib/vmpooler.rb
index cee8db8..74bd697 100644
--- a/lib/vmpooler.rb
+++ b/lib/vmpooler.rb
@@ -16,7 +16,6 @@ module Vmpooler
   require 'yaml'
 
   # Dependencies for tracing
-  require 'opentelemetry-api'
   require 'opentelemetry-instrumentation-concurrent_ruby'
   require 'opentelemetry-instrumentation-redis'
   require 'opentelemetry-instrumentation-sinatra'
diff --git a/vmpooler.gemspec b/vmpooler.gemspec
index cddd9bd..1ef8f34 100644
--- a/vmpooler.gemspec
+++ b/vmpooler.gemspec
@@ -21,13 +21,12 @@ Gem::Specification.new do |s|
   s.add_dependency 'connection_pool', '~> 2.2'
   s.add_dependency 'net-ldap', '~> 0.16'
   s.add_dependency 'nokogiri', '~> 1.10'
-  s.add_dependency 'opentelemetry-api', '= 0.8.0'
-  s.add_dependency 'opentelemetry-exporter-jaeger', '= 0.8.0'
-  s.add_dependency 'opentelemetry-instrumentation-concurrent_ruby', '= 0.8.0'
-  s.add_dependency 'opentelemetry-instrumentation-redis', '= 0.8.0'
-  s.add_dependency 'opentelemetry-instrumentation-sinatra', '= 0.8.0'
-  s.add_dependency 'opentelemetry-resource_detectors', '= 0.8.0'
-  s.add_dependency 'opentelemetry-sdk', '= 0.8.0'
+  s.add_dependency 'opentelemetry-exporter-jaeger', '= 0.13.0'
+  s.add_dependency 'opentelemetry-instrumentation-concurrent_ruby', '= 0.13.0'
+  s.add_dependency 'opentelemetry-instrumentation-redis', '= 0.13.0'
+  s.add_dependency 'opentelemetry-instrumentation-sinatra', '= 0.13.0'
+  s.add_dependency 'opentelemetry-resource_detectors', '= 0.13.0'
+  s.add_dependency 'opentelemetry-sdk', '= 0.13.1'
   s.add_dependency 'pickup', '~> 0.0.11'
   s.add_dependency 'prometheus-client', '~> 2.0'
   s.add_dependency 'puma', '~> 5.0', '>= 5.0.4'