diff --git a/src/fetcher/activitypub.js b/src/fetcher/activitypub.js
index 6658453..1201adf 100644
--- a/src/fetcher/activitypub.js
+++ b/src/fetcher/activitypub.js
@@ -70,6 +70,7 @@ module.exports.fn = async (data, opts) => {
         host,
         date: now.toUTCString(),
         accept: 'application/activity+json',
+        // @ts-ignore
         'User-Agent': `doipjs/${require('../../package.json').version}`
       }
 
diff --git a/src/fetcher/graphql.js b/src/fetcher/graphql.js
index 3b3be5b..e92f8bd 100644
--- a/src/fetcher/graphql.js
+++ b/src/fetcher/graphql.js
@@ -60,6 +60,7 @@ module.exports.fn = async (data, opts) => {
     axios.post(data.url, jsonData, {
       headers: {
         'Content-Type': 'application/json',
+        // @ts-ignore
         'User-Agent': `doipjs/${require('../../package.json').version}`
       },
       validateStatus: function (status) {
diff --git a/src/fetcher/http.js b/src/fetcher/http.js
index 834e62d..497caf9 100644
--- a/src/fetcher/http.js
+++ b/src/fetcher/http.js
@@ -56,6 +56,7 @@ module.exports.fn = async (data, opts) => {
         axios.get(data.url, {
           headers: {
             Accept: 'application/json',
+            // @ts-ignore
             'User-Agent': `doipjs/${require('../../package.json').version}`
           },
           validateStatus: function (status) {
diff --git a/src/fetcher/irc.js b/src/fetcher/irc.js
index 3d1a1db..4177225 100644
--- a/src/fetcher/irc.js
+++ b/src/fetcher/irc.js
@@ -71,9 +71,11 @@ if (jsEnv.isNode) {
         const reEnd = /End\sof\s.*\staxonomy./
         const keys = []
 
+        // @ts-ignore
         client.addListener('registered', (message) => {
           client.send(`PRIVMSG NickServ TAXONOMY ${data.nick}`)
         })
+        // @ts-ignore
         client.addListener('notice', (nick, to, text, message) => {
           if (reKey.test(text)) {
             const match = text.match(reKey)
diff --git a/src/fetcher/matrix.js b/src/fetcher/matrix.js
index 4a3ff94..e264611 100644
--- a/src/fetcher/matrix.js
+++ b/src/fetcher/matrix.js
@@ -63,6 +63,7 @@ module.exports.fn = async (data, opts) => {
       {
         headers: {
           Accept: 'application/json',
+          // @ts-ignore
           'User-Agent': `doipjs/${require('../../package.json').version}`
         }
       })
diff --git a/src/fetcher/telegram.js b/src/fetcher/telegram.js
index e90b352..5d80fe8 100644
--- a/src/fetcher/telegram.js
+++ b/src/fetcher/telegram.js
@@ -66,6 +66,7 @@ module.exports.fn = async (data, opts) => {
     axios.get(url, {
       headers: {
         Accept: 'application/json',
+        // @ts-ignore
         'User-Agent': `doipjs/${require('../../package.json').version}`
       },
       validateStatus: (status) => status === 200
diff --git a/src/keys.js b/src/keys.js
index 0c97149..efa4f77 100644
--- a/src/keys.js
+++ b/src/keys.js
@@ -40,6 +40,7 @@ const fetchHKP = async (identifier, keyserverDomain) => {
     ? `https://${keyserverDomain}`
     : 'https://keys.openpgp.org'
 
+  // @ts-ignore
   const hkp = new HKP(keyserverBaseUrl)
   const lookupOpts = {
     query: identifier
@@ -72,6 +73,7 @@ const fetchHKP = async (identifier, keyserverDomain) => {
  * const key = doip.keys.fetchWKD('alice@domain.tld');
  */
 const fetchWKD = async (identifier) => {
+  // @ts-ignore
   const wkd = new WKD()
   const lookupOpts = {
     email: identifier
diff --git a/src/signatures.js b/src/signatures.js
index c69a201..c70e358 100644
--- a/src/signatures.js
+++ b/src/signatures.js
@@ -55,9 +55,12 @@ const process = async (signature) => {
     throw new Error(`Signature could not be read (${e.message})`)
   }
 
+  // @ts-ignore
   const issuerKeyID = sigData.signature.packets[0].issuerKeyID.toHex()
+  // @ts-ignore
   const signersUserID = sigData.signature.packets[0].signersUserID
   const preferredKeyServer =
+  // @ts-ignore
     sigData.signature.packets[0].preferredKeyServer ||
     'https://keys.openpgp.org/'
   const text = sigData.getText()
@@ -112,6 +115,7 @@ const process = async (signature) => {
 
   // Verify the signature
   const verificationResult = await openpgp.verify({
+    // @ts-ignore
     message: sigData,
     verificationKeys: result.key.data
   })