diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 700707ced..1e8a051e2 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,3 +5,6 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+    ignore:
+      - dependency-name: "crate-ci/typos"
+        update-types: ["version-update:semver-patch"]
diff --git a/.github/workflows/SpellCheck.yml b/.github/workflows/SpellCheck.yml
new file mode 100644
index 000000000..599253c8c
--- /dev/null
+++ b/.github/workflows/SpellCheck.yml
@@ -0,0 +1,13 @@
+name: Spell Check
+
+on: [pull_request]
+
+jobs:
+  typos-check:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions Repository
+        uses: actions/checkout@v3
+      - name: Check spelling
+        uses: crate-ci/typos@v1.16.23 
\ No newline at end of file
diff --git a/.typos.toml b/.typos.toml
new file mode 100644
index 000000000..16cbfee31
--- /dev/null
+++ b/.typos.toml
@@ -0,0 +1,8 @@
+[default.extend-words]
+IIF = "IIF"
+extrapolant = "extrapolant"
+currate = "currate"
+SIE = "SIE"
+Numer = "Numer"
+resetted = "resetted"
+strat = "strat"
\ No newline at end of file
diff --git a/Project.toml b/Project.toml
index 03463f625..25edda534 100644
--- a/Project.toml
+++ b/Project.toml
@@ -32,9 +32,12 @@ UnPack = "3a884ed6-31ef-47d7-9d2a-63182c4928ed"
 
 [compat]
 Adapt = "3"
+Aqua = "0.8"
 ArrayInterface = "6, 7"
 DataStructures = "0.18"
 DiffEqBase = "6.130.1"
+DiffEqCallbacks  = "2"
+DiffEqDevTools = "2"
 DiffEqNoiseProcess = "5.13"
 DocStringExtensions = "0.8, 0.9"
 FiniteDiff = "2"
@@ -42,23 +45,31 @@ ForwardDiff = "0.10.3"
 JumpProcesses = "9"
 LevyArea = "1.0.0"
 LinearAlgebra = "1.6"
+LinearSolve = "2"
 Logging = "1.6"
+ModelingToolkit = "8"
 MuladdMacro = "0.2.1"
 NLsolve = "4"
 OrdinaryDiffEq = "6.52"
+Pkg = "1"
 Random = "1.6"
 RandomNumbers = "1.5.3"
 RecursiveArrayTools = "2, 3"
 Reexport = "0.2, 1.0"
+SDEProblemLibrary = "0.1"
+SafeTestsets = "0.1"
 SciMLBase = "2.0.6"
 SciMLOperators = "0.2.9, 0.3"
 SparseArrays = "1.6"
 SparseDiffTools = "2"
 StaticArrays = "0.11, 0.12, 1.0"
+Statistics = "1"
+Test = "1"
 UnPack = "0.1, 1.0"
 julia = "1.6"
 
 [extras]
+Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 DiffEqCallbacks = "459566f4-90b8-5000-8ac3-15dfb0a30def"
 DiffEqDevTools = "f3b72e0c-5b89-59e1-b016-84e28bfd966d"
 LinearSolve = "7ed4a6bd-45f5-4d41-b270-4a48e9bafcae"
@@ -71,4 +82,4 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["DiffEqCallbacks", "DiffEqDevTools", "SDEProblemLibrary", "LinearSolve", "ModelingToolkit", "Pkg", "SafeTestsets", "SparseArrays", "Statistics", "Test"]
+test = ["Aqua", "DiffEqCallbacks", "DiffEqDevTools", "SDEProblemLibrary", "LinearSolve", "ModelingToolkit", "Pkg", "SafeTestsets", "SparseArrays", "Statistics", "Test"]
diff --git a/src/algorithms.jl b/src/algorithms.jl
index b38800595..6415654c4 100644
--- a/src/algorithms.jl
+++ b/src/algorithms.jl
@@ -208,7 +208,7 @@ end
 SKSROCK(;post_processing=false,eigen_est=nothing) = SKSROCK(post_processing,eigen_est)
 """
 TangXiaoSROCK2: S-ROCK Method
-Is a fixed step size stabilized expicit method for stiff problems.
+Is a fixed step size stabilized explicit method for stiff problems.
 Only for Ito problems. Weak order of 2 and strog order of 1.
 Has 5 versions with different stability domains which can be used as TangXiaoSROCK2(version_num=i) where i is 1-5. Under Development.
 """
diff --git a/src/perform_step/implicit_split_step.jl b/src/perform_step/implicit_split_step.jl
index fb6c2e22d..ea6763da0 100644
--- a/src/perform_step/implicit_split_step.jl
+++ b/src/perform_step/implicit_split_step.jl
@@ -136,7 +136,7 @@ end
   integrator.g(gtmp, uprev, p, t)
 
   if alg.symplectic
-    @.. z = zero(eltype(u)) # Justified by ODE solvers, constrant extrapolation when IM
+    @.. z = zero(eltype(u)) # Justified by ODE solvers, constant extrapolation when IM
   else
     @.. z = dt * tmp # linear extrapolation
   end
diff --git a/src/perform_step/sdirk.jl b/src/perform_step/sdirk.jl
index 00f346b23..f46e23901 100644
--- a/src/perform_step/sdirk.jl
+++ b/src/perform_step/sdirk.jl
@@ -176,7 +176,7 @@ end
   ##############################################################################
 
   if alg.symplectic
-    @.. z = zero(eltype(u)) # Justified by ODE solvers, constrant extrapolation when IM
+    @.. z = zero(eltype(u)) # Justified by ODE solvers, constant extrapolation when IM
   else
     @.. z = dt*tmp # linear extrapolation
   end
diff --git a/test/events_test.jl b/test/events_test.jl
index 35412336a..10a5bc056 100644
--- a/test/events_test.jl
+++ b/test/events_test.jl
@@ -8,7 +8,7 @@ function g(du,u,p,t)
   nothing
 end
 
-function condtion(u,t,integrator) # Event when event_f(u,p,t,k) == 0
+function condition(u,t,integrator) # Event when event_f(u,p,t,k) == 0
   u[1]
 end
 
@@ -18,7 +18,7 @@ function affect_neg!(integrator)
 end
 
 # Continuous callback
-callback = ContinuousCallback(condtion,affect!,affect_neg!)
+callback = ContinuousCallback(condition,affect!,affect_neg!)
 
 u0 = [50.0,0.0]
 tspan = (0.0,15.0)
diff --git a/test/qa.jl b/test/qa.jl
new file mode 100644
index 000000000..65ee669eb
--- /dev/null
+++ b/test/qa.jl
@@ -0,0 +1,13 @@
+using StochasticDiffEq, Aqua
+@testset "Aqua" begin
+    Aqua.find_persistent_tasks_deps(StochasticDiffEq)
+    Aqua.test_ambiguities(StochasticDiffEq, recursive = false)
+    Aqua.test_deps_compat(StochasticDiffEq)
+    Aqua.test_piracies(StochasticDiffEq,
+        treat_as_own = [StochasticDiffEq.JumpProcesses.JumpProblem,
+            StochasticDiffEq.SciMLBase.AbstractRODEProblem])
+    Aqua.test_project_extras(StochasticDiffEq)
+    Aqua.test_stale_deps(StochasticDiffEq)
+    Aqua.test_unbound_args(StochasticDiffEq)
+    Aqua.test_undefined_exports(StochasticDiffEq)
+end
diff --git a/test/runtests.jl b/test/runtests.jl
index abe68baa4..7af53e028 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -15,6 +15,7 @@ const is_APPVEYOR = Sys.iswindows() && haskey(ENV,"APPVEYOR")
 
 @time begin
   if GROUP == "All" || GROUP == "Interface1"
+    @time @safetestset "Quality Assurance" begin include("qa.jl") end
     @time @safetestset "First Rand Tests" begin include("first_rand_test.jl") end
     @time @safetestset "Inference Tests" begin include("inference_test.jl") end
     @time @safetestset "Linear RODE Tests" begin include("rode_linear_tests.jl") end
diff --git a/test/sde/sde_additive_tests.jl b/test/sde/sde_additive_tests.jl
index 3a64b8c32..23fae0d6c 100644
--- a/test/sde/sde_additive_tests.jl
+++ b/test/sde/sde_additive_tests.jl
@@ -17,7 +17,7 @@ sol3 = solve(prob,SKenCarp(),dt=1/2^(3),adaptive=false)
 
 prob = prob_sde_additive
 
-# Test error in stepping and seeding simultaniously
+# Test error in stepping and seeding simultaneously
 sol  = solve(prob,SRA(StochasticDiffEq.constructSOSRA()),dt=1/2^(3),seed=1)
 sol2 = solve(prob,SOSRA(),dt=1/2^(3),seed=1)
 @test sol.t ≈ sol2.t