diff --git a/lib/OptimizationCMAEvolutionStrategy/test/runtests.jl b/lib/OptimizationCMAEvolutionStrategy/test/runtests.jl
index 525772a87..8ce044e76 100644
--- a/lib/OptimizationCMAEvolutionStrategy/test/runtests.jl
+++ b/lib/OptimizationCMAEvolutionStrategy/test/runtests.jl
@@ -12,7 +12,7 @@ using Test
     @test 10 * sol.objective < l1
 
     function cb(state, args...)
-        if state.iteration % 10 == 0
+        if state.iter % 10 == 0
             println(state.u)
         end
         return false
diff --git a/lib/OptimizationEvolutionary/test/runtests.jl b/lib/OptimizationEvolutionary/test/runtests.jl
index e7cd3a97b..72b9c19ab 100644
--- a/lib/OptimizationEvolutionary/test/runtests.jl
+++ b/lib/OptimizationEvolutionary/test/runtests.jl
@@ -36,7 +36,7 @@ Random.seed!(1234)
     @test sol.objective < l1
 
     function cb(state, args...)
-        if state.iteration % 10 == 0
+        if state.iter % 10 == 0
             println(state.u)
         end
         return false
diff --git a/lib/OptimizationFlux/test/runtests.jl b/lib/OptimizationFlux/test/runtests.jl
index 3ca49a562..a78a592c7 100644
--- a/lib/OptimizationFlux/test/runtests.jl
+++ b/lib/OptimizationFlux/test/runtests.jl
@@ -36,7 +36,7 @@ using Test
     end
 
     function cb(state, args...)
-        if state.iteration % 10 == 0
+        if state.iter % 10 == 0
             println(state.u)
         end
         return false
diff --git a/lib/OptimizationOptimJL/src/OptimizationOptimJL.jl b/lib/OptimizationOptimJL/src/OptimizationOptimJL.jl
index 1354fd83b..909e03f4d 100644
--- a/lib/OptimizationOptimJL/src/OptimizationOptimJL.jl
+++ b/lib/OptimizationOptimJL/src/OptimizationOptimJL.jl
@@ -342,7 +342,7 @@ function SciMLBase.__solve(cache::OptimizationCache{
     cur, state = iterate(cache.data)
 
     function _cb(trace)
-        opt_state = Optimization.OptimizationState(iteration = trace.iteration,
+        opt_state = Optimization.OptimizationState(iter = trace.iteration,
             u = decompose_trace(trace).metadata["x"],
             objective = x[1],
             solver_state = trace)
diff --git a/lib/OptimizationOptimisers/test/runtests.jl b/lib/OptimizationOptimisers/test/runtests.jl
index bb91c07d5..d16036108 100644
--- a/lib/OptimizationOptimisers/test/runtests.jl
+++ b/lib/OptimizationOptimisers/test/runtests.jl
@@ -61,7 +61,7 @@ using Zygote
 
         prob = OptimizationProblem(optprob, x0, _p)
         function callback(state, l)
-            Optimisers.adjust!(state.solver_state, 0.1 / state.iteration)
+            Optimisers.adjust!(state.original, 0.1 / state.iter)
             return false
         end
         sol = solve(prob,