diff --git a/Project.toml b/Project.toml
index 6c2028e8c9..f758ff68b6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Turing"
 uuid = "fce5fe82-541a-59a6-adf8-730c64b5f9a0"
-version = "0.15.14"
+version = "0.15.15"
 
 [deps]
 AbstractMCMC = "80f14c24-f653-4e6a-9b94-39d6b0f70001"
@@ -32,7 +32,7 @@ Tracker = "9f7883ad-71c0-57eb-9f7f-b5c9e6d3789c"
 ZygoteRules = "700de1a5-db45-46bc-99cf-38207098b444"
 
 [compat]
-AbstractMCMC = "2.1"
+AbstractMCMC = "2.1, 3"
 AdvancedHMC = "0.2.24"
 AdvancedMH = "0.5.2"
 AdvancedPS = "0.1"
diff --git a/test/Project.toml b/test/Project.toml
index aa2c32c380..16f1c87a1c 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -28,7 +28,7 @@ Tracker = "9f7883ad-71c0-57eb-9f7f-b5c9e6d3789c"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
-AbstractMCMC = "2.1"
+AbstractMCMC = "2.1, 3"
 AdvancedMH = "0.5.2"
 AdvancedPS = "0.1"
 AdvancedVI = "0.1"
diff --git a/test/inference/gibbs.jl b/test/inference/gibbs.jl
index e261fdc149..ac0727c967 100644
--- a/test/inference/gibbs.jl
+++ b/test/inference/gibbs.jl
@@ -98,7 +98,7 @@
             return
         end
 
-        function callback(rng, model, sampler, sample, i; kwargs...)
+        function callback(rng, model, sampler, sample, state, i; kwargs...)
             sample isa Inference.GibbsTransition || error("incorrect sample")
             return
         end