diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5b2bf736..f220813e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -294,6 +294,8 @@
   * Ignore `group:` for docs.
 * [#3242](https://github.com/KronicDeth/intellij-elixir/pull/3242) - [@KronicDeth](https://github.com/KronicDeth)
   * Don't resolve built-in types against the index if index is updating.
+* [#3249](https://github.com/KronicDeth/intellij-elixir/pull/3249) - [@KronicDeth](https://github.com/KronicDeth)
+  * `findModuleForPsiElement` in `mostSpecificSdk` in read action.
 
 ## v15.0.1
 
diff --git a/resources/META-INF/changelog.html b/resources/META-INF/changelog.html
index 3dcf88e42..240a9bf44 100644
--- a/resources/META-INF/changelog.html
+++ b/resources/META-INF/changelog.html
@@ -10,6 +10,8 @@ <h1>v15.0.2</h1>
         <p>The API is scheduled for removal and is replaced by <code>Call.align(AlignX.FILL)</code>.</p>
       </li>
       <li>Ignore <code>group:</code> for docs.</li>
+      <li>Don't resolve built-in types against the index if index is updating.</li>
+      <li><code>findModuleForPsiElement</code> in <code>mostSpecificSdk</code> in read action.</li>
     </ul>
   </li>
 </ul>
diff --git a/src/org/elixir_lang/sdk/elixir/Type.kt b/src/org/elixir_lang/sdk/elixir/Type.kt
index 1971734d8..9a94920eb 100644
--- a/src/org/elixir_lang/sdk/elixir/Type.kt
+++ b/src/org/elixir_lang/sdk/elixir/Type.kt
@@ -3,6 +3,7 @@ package org.elixir_lang.sdk.elixir
 import com.intellij.facet.FacetManager
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.application.ModalityState
+import com.intellij.openapi.application.ReadAction
 import com.intellij.openapi.diagnostic.Logger
 import com.intellij.openapi.fileChooser.FileChooserDescriptor
 import com.intellij.openapi.module.Module
@@ -15,10 +16,7 @@ import com.intellij.openapi.roots.ModuleRootManager
 import com.intellij.openapi.roots.OrderRootType
 import com.intellij.openapi.roots.ProjectFileIndex
 import com.intellij.openapi.roots.ProjectRootManager
-import com.intellij.openapi.util.InvalidDataException
-import com.intellij.openapi.util.SystemInfo
-import com.intellij.openapi.util.Version
-import com.intellij.openapi.util.WriteExternalException
+import com.intellij.openapi.util.*
 import com.intellij.openapi.vfs.VfsUtil
 import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.openapi.vfs.VirtualFileManager
@@ -532,7 +530,9 @@ ELIXIR_SDK_HOME
                     ProjectFileIndex is available first */
                 if (ProjectFileIndex.SERVICE.getInstance(project) != null) {
                     val module = try {
-                        ModuleUtilCore.findModuleForPsiElement(psiElement)
+                        ReadAction.compute<Module, Throwable> {
+                            ModuleUtilCore.findModuleForPsiElement(psiElement)
+                        }
                     } catch (_: AlreadyDisposedException) {
                         null
                     }