diff --git a/Gemfile.lock b/Gemfile.lock
index 0087dad9..91f72a95 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ PATH
     launchdarkly-server-sdk (5.7.0)
       concurrent-ruby (~> 1.0)
       json (>= 1.8, < 3)
-      ld-eventsource (= 1.0.2)
+      ld-eventsource (= 1.0.3)
       semantic (~> 1.6)
 
 GEM
@@ -40,7 +40,7 @@ GEM
     jmespath (1.4.0)
     json (1.8.6)
     json (1.8.6-java)
-    ld-eventsource (1.0.2)
+    ld-eventsource (1.0.3)
       concurrent-ruby (~> 1.0)
       http_tools (~> 0.4.5)
       socketry (~> 0.5.1)
diff --git a/launchdarkly-server-sdk.gemspec b/launchdarkly-server-sdk.gemspec
index f69c74fa..237474ef 100644
--- a/launchdarkly-server-sdk.gemspec
+++ b/launchdarkly-server-sdk.gemspec
@@ -35,5 +35,5 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "json", [">= 1.8", "< 3"]
   spec.add_runtime_dependency "semantic", "~> 1.6"
   spec.add_runtime_dependency "concurrent-ruby", "~> 1.0"
-  spec.add_runtime_dependency "ld-eventsource", "1.0.2"
+  spec.add_runtime_dependency "ld-eventsource", "1.0.3"
 end