diff --git a/opentelemetry-extra.cabal b/opentelemetry-extra.cabal
--- a/opentelemetry-extra.cabal
+++ b/opentelemetry-extra.cabal
@@ -2,7 +2,7 @@
 name:                opentelemetry-extra
 description:         The OpenTelemetry Haskell Client https://opentelemetry.io
 category:            OpenTelemetry
-version: 0.5.0
+version: 0.5.1
 license-file:        LICENSE
 license:             Apache-2.0
 author:              Dmitry Ivanov
@@ -63,7 +63,7 @@
     http-client,
     http-client-tls,
     http-types,
-    opentelemetry >= 0.4.0,
+    opentelemetry >= 0.5.1,
     random >= 1.1,
     scientific,
     text-show,
@@ -97,7 +97,7 @@
     bytestring,
     ghc-events,
     hashable,
-    opentelemetry >= 0.4.0,
+    opentelemetry >= 0.5.1,
     opentelemetry-extra,
     tasty,
     tasty-discover,
@@ -120,7 +120,7 @@
     filepath,
     http-client,
     http-client-tls,
-    opentelemetry >= 0.4.0,
+    opentelemetry >= 0.5.1,
     opentelemetry-extra,
     text,
     typed-process
@@ -139,7 +139,7 @@
   build-depends:
     base,
     gauge >= 0.2.4,
-    opentelemetry >= 0.4.0,
+    opentelemetry >= 0.5.1,
 
 executable eventlog-to-chrome
   import: options
@@ -149,7 +149,7 @@
     base,
     exceptions,
     clock,
-    opentelemetry >= 0.4.0,
+    opentelemetry >= 0.5.1,
     opentelemetry-extra,
 
 executable eventlog-to-tracy
@@ -160,7 +160,7 @@
     base,
     clock,
     directory,
-    opentelemetry >= 0.4.0,
+    opentelemetry >= 0.5.1,
     opentelemetry-extra,
     process,
 
@@ -172,7 +172,7 @@
     base,
     hashtables,
     containers,
-    opentelemetry >= 0.4.0,
+    opentelemetry >= 0.5.1,
     opentelemetry-extra,
     hvega,
     text
diff --git a/unit-tests/TestBinary.hs b/unit-tests/TestBinary.hs
--- a/unit-tests/TestBinary.hs
+++ b/unit-tests/TestBinary.hs
@@ -7,7 +7,6 @@
 import Data.ByteString.Builder
 import qualified Data.ByteString.Lazy as LBS
 import LogEventSerializer
-import OpenTelemetry.Eventlog
 import OpenTelemetry.EventlogStreaming_Internal
 import OpenTelemetry.Eventlog_Internal
 import Test.Tasty.QuickCheck