diff --git a/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DependabotProxy.cs b/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DependabotProxy.cs
index 5b47189c7454..96ba3452cefe 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DependabotProxy.cs
+++ b/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DependabotProxy.cs
@@ -1,6 +1,8 @@
 using System;
+using System.Diagnostics;
 using System.IO;
 using Semmle.Util;
+using Semmle.Util.Logging;
 
 namespace Semmle.Extraction.CSharp.DependencyFetching
 {
@@ -49,5 +51,17 @@ internal DependabotProxy(TemporaryDirectory tempWorkingDirectory)
             using var writer = this.certFile.CreateText();
             writer.Write(cert);
         }
+
+        internal void ApplyProxy(ILogger logger, ProcessStartInfo startInfo)
+        {
+            // If the proxy isn't configured, we have nothing to do.
+            if (!this.IsConfigured) return;
+
+            logger.LogInfo($"Setting up Dependabot proxy at {this.Address}");
+
+            startInfo.EnvironmentVariables["HTTP_PROXY"] = this.Address;
+            startInfo.EnvironmentVariables["HTTPS_PROXY"] = this.Address;
+            startInfo.EnvironmentVariables["SSL_CERT_FILE"] = this.certFile?.FullName;
+        }
     }
 }
diff --git a/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DotNetCliInvoker.cs b/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DotNetCliInvoker.cs
index b81b393e42a0..522d3e9ffd45 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DotNetCliInvoker.cs
+++ b/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DotNetCliInvoker.cs
@@ -44,10 +44,6 @@ private ProcessStartInfo MakeDotnetStartInfo(string args, string? workingDirecto
             // Configure the proxy settings, if applicable.
             this.proxy.ApplyProxy(this.logger, startInfo);
 
-            this.logger.LogInfo(startInfo.EnvironmentVariables["HTTP_PROXY"] ?? "");
-            this.logger.LogInfo(startInfo.EnvironmentVariables["HTTPS_PROXY"] ?? "");
-            this.logger.LogInfo(startInfo.EnvironmentVariables["SSL_CERT_FILE"] ?? "");
-
             return startInfo;
         }