diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3dbd20b0..d1c6d636 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@
 
 - The watch feature (via the `--watch` flag) got a few different bug fixes and
   should be more stable now
-  ([#423](https://github.com/go-task/task/pull/423)).
+  ([#423](https://github.com/go-task/task/pull/423), [#365](https://github.com/go-task/task/issues/365)).
 
 ## v3.1.0
 
diff --git a/internal/compiler/compiler.go b/internal/compiler/compiler.go
index 43191336..1e0fabfa 100644
--- a/internal/compiler/compiler.go
+++ b/internal/compiler/compiler.go
@@ -9,4 +9,5 @@ import (
 type Compiler interface {
 	GetVariables(t *taskfile.Task, call taskfile.Call) (*taskfile.Vars, error)
 	HandleDynamicVar(v taskfile.Var) (string, error)
+	ResetCache()
 }
diff --git a/internal/compiler/v2/compiler_v2.go b/internal/compiler/v2/compiler_v2.go
index 10af3ce2..5c1d6e46 100644
--- a/internal/compiler/v2/compiler_v2.go
+++ b/internal/compiler/v2/compiler_v2.go
@@ -109,3 +109,11 @@ func (c *CompilerV2) HandleDynamicVar(v taskfile.Var) (string, error) {
 
 	return result, nil
 }
+
+// ResetCache clear the dymanic variables cache
+func (c *CompilerV2) ResetCache() {
+	c.muDynamicCache.Lock()
+	defer c.muDynamicCache.Unlock()
+
+	c.dynamicCache = nil
+}
diff --git a/internal/compiler/v3/compiler_v3.go b/internal/compiler/v3/compiler_v3.go
index ae3a8479..0cc9ba78 100644
--- a/internal/compiler/v3/compiler_v3.go
+++ b/internal/compiler/v3/compiler_v3.go
@@ -96,3 +96,11 @@ func (c *CompilerV3) HandleDynamicVar(v taskfile.Var) (string, error) {
 
 	return result, nil
 }
+
+// ResetCache clear the dymanic variables cache
+func (c *CompilerV3) ResetCache() {
+	c.muDynamicCache.Lock()
+	defer c.muDynamicCache.Unlock()
+
+	c.dynamicCache = nil
+}
diff --git a/watch.go b/watch.go
index 13c3330a..c14667f6 100644
--- a/watch.go
+++ b/watch.go
@@ -49,6 +49,9 @@ func (e *Executor) watchTasks(calls ...taskfile.Call) error {
 
 				cancel()
 				ctx, cancel = context.WithCancel(context.Background())
+
+				e.Compiler.ResetCache()
+
 				for _, c := range calls {
 					c := c
 					go func() {