diff --git a/dist/index.cjs b/dist/index.cjs
index 24657491..ceb4223a 100644
--- a/dist/index.cjs
+++ b/dist/index.cjs
@@ -131293,12 +131293,19 @@ async function skipPackageManagement() {
   }
   return RUNNER_ENVIRONMENT === "self-hosted" || isContainerRunner;
 }
+async function disableManDbAutoUpdate() {
+  await (0, import_exec.exec)("sudo", ["debconf-communicate"], {
+    input: Buffer.from("set man-db/auto-update false")
+  });
+  await (0, import_exec.exec)("sudo", ["dpkg-reconfigure", "man-db"]);
+}
 async function installUnixSystemPackages() {
   if (await skipPackageManagement()) {
     return;
   }
   switch (PLATFORM) {
     case "linux": {
+      await disableManDbAutoUpdate();
       const optionalDependencies = await retrieveInstallableOptionalDependencies([
         "darcs",
         "g++-multilib",
diff --git a/packages/setup-ocaml/src/unix.ts b/packages/setup-ocaml/src/unix.ts
index 610e9403..542cfa2e 100644
--- a/packages/setup-ocaml/src/unix.ts
+++ b/packages/setup-ocaml/src/unix.ts
@@ -45,12 +45,20 @@ async function skipPackageManagement() {
   return RUNNER_ENVIRONMENT === "self-hosted" || isContainerRunner;
 }
 
+async function disableManDbAutoUpdate() {
+  await exec("sudo", ["debconf-communicate"], {
+    input: Buffer.from("set man-db/auto-update false"),
+  });
+  await exec("sudo", ["dpkg-reconfigure", "man-db"]);
+}
+
 export async function installUnixSystemPackages() {
   if (await skipPackageManagement()) {
     return;
   }
   switch (PLATFORM) {
     case "linux": {
+      await disableManDbAutoUpdate();
       const optionalDependencies =
         await retrieveInstallableOptionalDependencies([
           "darcs",