diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0f9afdc52..93fd4c7fb7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unreleased
 
 - fix: Use Span on Scope instead of Transaction for GuzzleMiddleware (#1099)
+- Add setter for value on the `ExceptionDataBag` (#1100)
 
 ## 3.0.0 (2020-09-28)
 
diff --git a/src/ExceptionDataBag.php b/src/ExceptionDataBag.php
index 1d096c8676..0173e3a614 100644
--- a/src/ExceptionDataBag.php
+++ b/src/ExceptionDataBag.php
@@ -58,6 +58,14 @@ public function getValue(): string
         return $this->value;
     }
 
+    /**
+     * Sets the value of the exception.
+     */
+    public function setValue(string $value): void
+    {
+        $this->value = $value;
+    }
+
     /**
      * Gets the stack trace object corresponding to the Stack Trace Interface.
      */