diff --git a/src/OpenTelemetry.Shims.OpenTracing/.publicApi/net461/PublicAPI.Shipped.txt b/src/OpenTelemetry.Shims.OpenTracing/.publicApi/net461/PublicAPI.Shipped.txt
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/src/OpenTelemetry.Shims.OpenTracing/.publicApi/net452/PublicAPI.Unshipped.txt b/src/OpenTelemetry.Shims.OpenTracing/.publicApi/net461/PublicAPI.Unshipped.txt
similarity index 95%
rename from src/OpenTelemetry.Shims.OpenTracing/.publicApi/net452/PublicAPI.Unshipped.txt
rename to src/OpenTelemetry.Shims.OpenTracing/.publicApi/net461/PublicAPI.Unshipped.txt
index f6459c7461e..a9a1b3717e4 100644
--- a/src/OpenTelemetry.Shims.OpenTracing/.publicApi/net452/PublicAPI.Unshipped.txt
+++ b/src/OpenTelemetry.Shims.OpenTracing/.publicApi/net461/PublicAPI.Unshipped.txt
@@ -4,4 +4,4 @@ OpenTelemetry.Shims.OpenTracing.TracerShim.BuildSpan(string operationName) -> Op
 OpenTelemetry.Shims.OpenTracing.TracerShim.Extract<TCarrier>(OpenTracing.Propagation.IFormat<TCarrier> format, TCarrier carrier) -> OpenTracing.ISpanContext
 OpenTelemetry.Shims.OpenTracing.TracerShim.Inject<TCarrier>(OpenTracing.ISpanContext spanContext, OpenTracing.Propagation.IFormat<TCarrier> format, TCarrier carrier) -> void
 OpenTelemetry.Shims.OpenTracing.TracerShim.ScopeManager.get -> OpenTracing.IScopeManager
-OpenTelemetry.Shims.OpenTracing.TracerShim.TracerShim(OpenTelemetry.Trace.Tracer tracer, OpenTelemetry.Context.Propagation.TextMapPropagator textFormat) -> void
+OpenTelemetry.Shims.OpenTracing.TracerShim.TracerShim(OpenTelemetry.Trace.Tracer tracer, OpenTelemetry.Context.Propagation.TextMapPropagator textFormat) -> void
\ No newline at end of file
diff --git a/src/OpenTelemetry.Shims.OpenTracing/CHANGELOG.md b/src/OpenTelemetry.Shims.OpenTracing/CHANGELOG.md
index 040eafae749..7d50303ee14 100644
--- a/src/OpenTelemetry.Shims.OpenTracing/CHANGELOG.md
+++ b/src/OpenTelemetry.Shims.OpenTracing/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+* Removes .NET Framework 4.5.2 support. The minimum .NET Framework version
+  supported is .NET 4.6.1. ([#2138](https://github.com/open-telemetry/opentelemetry-dotnet/issues/2138))
+
 ## 1.0.0-rc7
 
 Released 2021-Jul-12
diff --git a/src/OpenTelemetry.Shims.OpenTracing/OpenTelemetry.Shims.OpenTracing.csproj b/src/OpenTelemetry.Shims.OpenTracing/OpenTelemetry.Shims.OpenTracing.csproj
index e30033aa3aa..669d7c68aa1 100644
--- a/src/OpenTelemetry.Shims.OpenTracing/OpenTelemetry.Shims.OpenTracing.csproj
+++ b/src/OpenTelemetry.Shims.OpenTracing/OpenTelemetry.Shims.OpenTracing.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net452</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
     <Description>OpenTracing shim for OpenTelemetry .NET</Description>
     <PackageTags>$(PackageTags);distributed-tracing;OpenTracing</PackageTags>
     <IsPackable>true</IsPackable>