diff --git a/model/config.go b/model/config.go
index 83ef596..7e1b436 100644
--- a/model/config.go
+++ b/model/config.go
@@ -154,6 +154,10 @@ func mergeConfig(base, local *ShellTimeConfig) {
 	if local.CCUsage != nil {
 		base.CCUsage = local.CCUsage
 	}
+	// Migrate deprecated ccotel from local config
+	if local.CCOtel != nil && local.AICodeOtel == nil {
+		local.AICodeOtel = local.CCOtel
+	}
 	if local.AICodeOtel != nil {
 		base.AICodeOtel = local.AICodeOtel
 	}
@@ -213,6 +217,12 @@ func (cs *configService) ReadConfigFile(ctx context.Context, opts ...ReadConfigO
 		return
 	}
 
+	// Migrate deprecated ccotel field to AICodeOtel (silent migration)
+	if config.CCOtel != nil && config.AICodeOtel == nil {
+		config.AICodeOtel = config.CCOtel
+		config.CCOtel = nil
+	}
+
 	// Read and merge local config if exists
 	if files.localFile != "" {
 		if localConfig, localErr := os.ReadFile(files.localFile); localErr == nil {
diff --git a/model/types.go b/model/types.go
index 4421f5e..a2e3ed9 100644
--- a/model/types.go
+++ b/model/types.go
@@ -81,6 +81,10 @@ type ShellTimeConfig struct {
 	// CCUsage configuration for Claude Code usage tracking (v1 - ccusage CLI based)
 	CCUsage *CCUsage `toml:"ccusage" yaml:"ccusage" json:"ccusage"`
 
+	// CCOtel is deprecated, use AICodeOtel instead
+	// Deprecated: This field will be removed in a future version
+	CCOtel *AICodeOtel `toml:"ccotel" yaml:"ccotel" json:"ccotel"`
+
 	// AICodeOtel configuration for OTEL-based AI CLI tracking (Claude Code, Codex, etc.)
 	AICodeOtel *AICodeOtel `toml:"aiCodeOtel" yaml:"aiCodeOtel" json:"aiCodeOtel"`
 
@@ -118,6 +122,7 @@ var DefaultConfig = ShellTimeConfig{
 	AI:            DefaultAIConfig,
 	Exclude:       []string{},
 	CCUsage:       nil,
+	CCOtel:        nil, // deprecated
 	AICodeOtel:    nil,
 	CodeTracking:  nil,
 	LogCleanup:    nil,