diff --git a/Dockerfile b/Dockerfile
index 1a442d7da..0d55ae334 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ RUN /usr/local/bin/picoclaw onboard
 
 # Set environment variables for testing
 ENV PICOCLAW_AGENTS_DEFAULTS_PROVIDER="gemini"
-ENV PICOCLAW_AGENTS_DEFAULTS_MODEL="gemini-1.5-flash"
+ENV PICOCLAW_AGENTS_DEFAULTS_MODEL="gemini-2.5-flash-lite"
 ENV PICOCLAW_PROVIDERS_GEMINI_API_KEY=""
 
 ENTRYPOINT ["picoclaw"]
diff --git a/docker-compose.yml b/docker-compose.yml
index db45c9ba1..c24d3021e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -12,7 +12,7 @@ services:
       - doctor
     environment:
       - PICOCLAW_AGENTS_DEFAULTS_PROVIDER=gemini
-      - PICOCLAW_AGENTS_DEFAULTS_MODEL=gemini-1.5-flash
+      - PICOCLAW_AGENTS_DEFAULTS_MODEL=gemini-2.5-flash-lite
       - PICOCLAW_PROVIDERS_GEMINI_API_KEY=${GEMINI_API_KEY}
     volumes:
       - picoclaw-workspace:/root/.picoclaw/workspace
@@ -31,7 +31,7 @@ services:
       - agent
     environment:
       - PICOCLAW_AGENTS_DEFAULTS_PROVIDER=gemini
-      - PICOCLAW_AGENTS_DEFAULTS_MODEL=gemini-1.5-flash
+      - PICOCLAW_AGENTS_DEFAULTS_MODEL=gemini-2.5-flash-lite
       - PICOCLAW_PROVIDERS_GEMINI_API_KEY=${GEMINI_API_KEY}
     volumes:
       - ./config/config.json:/root/.picoclaw/config.json:ro
@@ -54,7 +54,7 @@ services:
       - gateway
     environment:
       - PICOCLAW_AGENTS_DEFAULTS_PROVIDER=gemini
-      - PICOCLAW_AGENTS_DEFAULTS_MODEL=gemini-1.5-flash
+      - PICOCLAW_AGENTS_DEFAULTS_MODEL=gemini-2.5-flash-lite
       - PICOCLAW_PROVIDERS_GEMINI_API_KEY=${GEMINI_API_KEY}
     volumes:
       # Configuration file
diff --git a/pkg/doctor/doctor_test.go b/pkg/doctor/doctor_test.go
index 6a099b008..6d662a71d 100644
--- a/pkg/doctor/doctor_test.go
+++ b/pkg/doctor/doctor_test.go
@@ -15,7 +15,7 @@ func TestDoctor_Run(t *testing.T) {
   "agents": {
     "defaults": {
       "workspace": "` + tmpDir + `/workspace",
-      "model": "gemini-1.5-flash"
+      "model": "gemini-2.5-flash-lite"
     }
   },
   "providers": {
@@ -48,4 +48,4 @@ func TestDoctor_Run(t *testing.T) {
 	if !doc.IsHealthy() {
 		t.Log("Doctor reported issues - check output above")
 	}
-}
\ No newline at end of file
+}