diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e417c4a..82a29b79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning].
 ### Changed
 
 - Adds `data` positional argument to `generate` (#142)
+- An internal module `Copier` was created with the wrapper functions
 
 ### Removed
 
diff --git a/docs/src/90-reference.md b/docs/src/90-reference.md
index 83ddcc97..a7a88be1 100644
--- a/docs/src/90-reference.md
+++ b/docs/src/90-reference.md
@@ -13,5 +13,5 @@ Pages = ["90-reference.md"]
 ```
 
 ```@autodocs
-Modules = [COPIERTemplate]
+Modules = [COPIERTemplate, COPIERTemplate.Copier]
 ```
diff --git a/src/COPIERTemplate.jl b/src/COPIERTemplate.jl
index 95add16d..4d4a552a 100644
--- a/src/COPIERTemplate.jl
+++ b/src/COPIERTemplate.jl
@@ -8,47 +8,7 @@ The main functions are: [`generate`](@ref)
 """
 module COPIERTemplate
 
-using PythonCall, CondaPkg, UUIDs
-
-function __init__()
-  CondaPkg.add("copier")
-end
-
-"""
-    copy(dst_path[, data]; kwargs...)
-    copy(src_path, dst_path[, data]; kwargs...)
-
-Wrapper around Python's [copier.run_copy](https://copier.readthedocs.io/en/stable/reference/main/#copier.main.run_copy).
-Use [`generate`](@ref) for a more user-friendly function.
-"""
-function Base.copy(src_path, dst_path, data::Dict = Dict(); kwargs...)
-  copier = PythonCall.pyimport("copier")
-  copier.run_copy(src_path, dst_path, data; kwargs...)
-end
-
-function Base.copy(dst_path, data::Dict = Dict(); kwargs...)
-  copy(joinpath(@__DIR__, ".."), dst_path, data; kwargs...)
-end
-
-"""
-    recopy(dst_path[, data]; kwargs...)
-
-Wrapper around Python's [copier.run_recopy](https://copier.readthedocs.io/en/stable/reference/main/#copier.main.run_recopy).
-"""
-function recopy(dst_path, data::Dict = Dict(); kwargs...)
-  copier = PythonCall.pyimport("copier")
-  copier.run_recopy(dst_path, data; kwargs...)
-end
-
-"""
-    update(dst_path[, data]; kwargs...)
-
-Wrapper around Python's [copier.run_update](https://copier.readthedocs.io/en/stable/reference/main/#copier.main.run_update).
-"""
-function update(dst_path, data::Dict = Dict(); kwargs...)
-  copier = PythonCall.pyimport("copier")
-  copier.run_update(dst_path, data; kwargs...)
-end
+include("Copier.jl")
 
 """
     generate(dst_path[, data]; kwargs...)
@@ -61,10 +21,10 @@ The `data` argument is a dictionary of answers (values) to questions (keys) that
 
 ## Keyword arguments
 
-The keyword arguments are passed directly to [`copy`](@ref).
+The keyword arguments are passed directly to the internal [`Copier.copy`](@ref).
 """
 function generate(src_path, dst_path, data::Dict = Dict(); kwargs...)
-  copy(src_path, dst_path, data; kwargs...)
+  Copier.copy(src_path, dst_path, data; kwargs...)
 end
 
 function generate(dst_path, data::Dict = Dict(); kwargs...)
diff --git a/src/Copier.jl b/src/Copier.jl
new file mode 100644
index 00000000..53cfbfca
--- /dev/null
+++ b/src/Copier.jl
@@ -0,0 +1,60 @@
+"""
+Wrapper around [copier](https://copier.readthedocs.io/).
+
+There are three functions in this module:
+
+- [`copy`](@ref)
+- [`recopy`](@ref)
+- [`update`](@ref)
+"""
+module Copier
+
+using CondaPkg: CondaPkg
+using PythonCall: PythonCall
+
+function __init__()
+  CondaPkg.add("copier")
+end
+
+"""
+    copy(dst_path[, data]; kwargs...)
+    copy(src_path, dst_path[, data]; kwargs...)
+
+Wrapper around [copier.run_copy](https://copier.readthedocs.io/en/stable/reference/main/#copier.main.run_copy).
+
+This is an internal function, if COPIERTemplate's main API is not sufficient, open an issue.
+"""
+function Base.copy(src_path, dst_path, data::Dict = Dict(); kwargs...)
+  copier = PythonCall.pyimport("copier")
+  copier.run_copy(src_path, dst_path, data; kwargs...)
+end
+
+function Base.copy(dst_path, data::Dict = Dict(); kwargs...)
+  copy(joinpath(@__DIR__, ".."), dst_path, data; kwargs...)
+end
+
+"""
+    recopy(dst_path[, data]; kwargs...)
+
+Wrapper around [copier.run_recopy](https://copier.readthedocs.io/en/stable/reference/main/#copier.main.run_recopy).
+
+This is an internal function, if COPIERTemplate's main API is not sufficient, open an issue.
+"""
+function recopy(dst_path, data::Dict = Dict(); kwargs...)
+  copier = PythonCall.pyimport("copier")
+  copier.run_recopy(dst_path, data; kwargs...)
+end
+
+"""
+    update(dst_path[, data]; kwargs...)
+
+Wrapper around [copier.run_update](https://copier.readthedocs.io/en/stable/reference/main/#copier.main.run_update).
+
+This is an internal function, if COPIERTemplate's main API is not sufficient, open an issue.
+"""
+function update(dst_path, data::Dict = Dict(); kwargs...)
+  copier = PythonCall.pyimport("copier")
+  copier.run_update(dst_path, data; kwargs...)
+end
+
+end
diff --git a/test/runtests.jl b/test/runtests.jl
index ecbc0ac2..a50c6d9d 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -111,7 +111,7 @@ end
 
     @testset "Compare copied project vs copier CLI baseline" begin
       mktempdir(TMPDIR; prefix = "copy_") do tmpdir
-        COPIERTemplate.copy(tmpdir, template_options; quiet = true)
+        COPIERTemplate.Copier.copy(tmpdir, template_options; quiet = true)
         test_diff_dir(tmpdir, dir_copier_cli)
       end
     end
@@ -119,7 +119,7 @@ end
     @testset "Compare recopied project vs copier CLI baseline" begin
       mktempdir(TMPDIR; prefix = "recopy_") do tmpdir
         run(`copier copy --defaults --quiet $min_bash_args $template_path $tmpdir`)
-        COPIERTemplate.recopy(tmpdir, template_options; quiet = true, overwrite = true)
+        COPIERTemplate.Copier.recopy(tmpdir, template_options; quiet = true, overwrite = true)
         test_diff_dir(tmpdir, dir_copier_cli)
       end
     end
@@ -134,7 +134,7 @@ end
           run(`git config user.email "test@test.com"`)
           run(`git commit -q -m "First commit"`)
         end
-        COPIERTemplate.update(tmpdir, template_options; overwrite = true, quiet = true)
+        COPIERTemplate.Copier.update(tmpdir, template_options; overwrite = true, quiet = true)
         test_diff_dir(tmpdir, dir_copier_cli)
       end
     end