diff --git a/src/remediation.js b/src/remediation.js
index d460af5..7da550d 100644
--- a/src/remediation.js
+++ b/src/remediation.js
@@ -125,7 +125,7 @@ async function tickVerifying(rem) {
     return; // still extracting — keep waiting until timeout
   }
 
-  const decoded = await fullDecode(local, { timeoutMs: 300000 });
+  const decoded = await fullDecode(local, { timeoutMs: 900000 });
   if (decoded.pass) {
     setRemediationState(rem.episode_id, 'importing', { details: `verified ${record.outputPath}` });
     return;
@@ -172,7 +172,7 @@ async function tickImporting(rem) {
   try {
     await waitForStableFile(local, { intervalMs: 5000, checks: 2, maxWaitMs: 120000 });
   } catch { return; }
-  const decoded = await fullDecode(local, { timeoutMs: 300000 });
+  const decoded = await fullDecode(local, { timeoutMs: 900000 });
   if (decoded.pass) {
     setRemediationState(rem.episode_id, 'swapped', { details: 'replacement verified on disk' });
     logAction(rem, 'remediation_swapped', 'Replacement downloaded, verified clean, and imported. Old corrupt file replaced.');
diff --git a/src/sonarr.js b/src/sonarr.js
index 9d913b0..2ef5ce8 100644
--- a/src/sonarr.js
+++ b/src/sonarr.js
@@ -204,7 +204,7 @@ export async function ensureUpcomingEpisodes(seriesId, season, episode, preloade
         // decode confirm and go straight to remediation.
         const { fullDecode } = await import('./decoder.js');
         const confirm = localPath
-          ? await fullDecode(localPath, { timeoutMs: 300000 })
+          ? await fullDecode(localPath, { timeoutMs: 900000 })
           : { pass: false, error: 'local file not mounted - decode confirm skipped' };
         if (confirm.pass) {
           // Tier 1/2 was a false positive (e.g. -ss tail artifact).