diff --git a/lib/modules/manager/conan/__fixtures__/conanfile.py b/lib/modules/manager/conan/__fixtures__/conanfile.py
index 7c2db16df9374c8166373f436b4d38d999e541e9..6f5a7ecadf111a8752a305a2362be55e19803cb3 100644
--- a/lib/modules/manager/conan/__fixtures__/conanfile.py
+++ b/lib/modules/manager/conan/__fixtures__/conanfile.py
@@ -12,6 +12,7 @@ class Pkg(ConanFile):
    requires = (("req_c/1.0@user/stable", "private"), )
    requires = ("req_f/1.0@user/stable", ("req_h/3.0@other/beta", "override"))
    requires = "req_g/[>1.0 <1.8]@user/stable"
+   requires = "req_z/[>1.0 <1.8, include_prerelease]@user/stable"
 #  requires = "commentedout/[>1.0 <1.8]@user/stable"
    #  requires = "commentedout2/[>1.0 <1.8]@user/stable"
    requires = (("req_l/1.0@user/stable#bc592346b33fd19c1fbffce25d1e4236", "private"), )
diff --git a/lib/modules/manager/conan/extract.spec.ts b/lib/modules/manager/conan/extract.spec.ts
index ec20d05de28f9019421c7f34b2aa37c85e676a25..8513b874eac2ce44b0a0ac507309284103187638 100644
--- a/lib/modules/manager/conan/extract.spec.ts
+++ b/lib/modules/manager/conan/extract.spec.ts
@@ -201,6 +201,13 @@ describe('modules/manager/conan/extract', () => {
           packageName: 'req_g/[>1.0 <1.8]@user/stable',
           replaceString: 'req_g/[>1.0 <1.8]@user/stable',
         },
+        {
+          currentValue: '[>1.0 <1.8, include_prerelease]',
+          depName: 'req_z',
+          depType: 'requires',
+          packageName: 'req_z/[>1.0 <1.8, include_prerelease]@user/stable',
+          replaceString: 'req_z/[>1.0 <1.8, include_prerelease]@user/stable',
+        },
         {
           autoReplaceStringTemplate:
             '{{depName}}/{{newValue}}@user/stable{{#if newDigest}}#{{newDigest}}{{/if}}',
diff --git a/lib/modules/versioning/conan/common.ts b/lib/modules/versioning/conan/common.ts
index 3b5bdb4df095caeacf24655d9b0925a5e9c05d0d..9497d96fc274a97ccd9c26cb96cbe1181660fbdf 100644
--- a/lib/modules/versioning/conan/common.ts
+++ b/lib/modules/versioning/conan/common.ts
@@ -30,7 +30,12 @@ export function makeVersion(
 export function cleanVersion(version: string): string {
   if (version) {
     return version
-      .replace(regEx(/,|\[|\]|"|include_prerelease=|loose=|True|False/g), '')
+      .replace(
+        regEx(
+          /,|\[|\]|"|include_prerelease=|include_prerelease|loose=|True|False/g,
+        ),
+        '',
+      )
       .trim();
   }
   return version;
@@ -44,7 +49,7 @@ export function getOptions(input: string): {
   let loose = true;
   if (input) {
     includePrerelease =
-      input.includes('include_prerelease=True') &&
+      input.includes('include_prerelease') &&
       !input.includes('include_prerelease=False');
     loose = input.includes('loose=True') || !input.includes('loose=False');
   }