diff --git a/.github/workflows/Documenter.yml b/.github/workflows/Documenter.yml
index 717f01ec..05422f43 100644
--- a/.github/workflows/Documenter.yml
+++ b/.github/workflows/Documenter.yml
@@ -12,9 +12,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@latest
+      - uses: julia-actions/julia-buildpkg@latest
+      - uses: julia-actions/julia-docdeploy@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
         with:
-          version: '1.5'
+          version: '1.6'
       - name: Install dependencies
         run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
       - name: Build and deploy
diff --git a/NEWS.md b/NEWS.md
index 21bae0fe..c7226574 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+# DataFramesMeta v0.9.1 Release notes
+
+* Fix a bug with `@rtransform!` and `@rselect!`, where the macros were not actually mutating the data frame. ([#294](https://github.com/JuliaData/DataFramesMeta.jl/pull/294))
+
 # DataFramesMeta v0.9.0 Release notes
 
 * Add `@passmissing` flag for skipping missing values in row-wise macros. ([#272](https://github.com/JuliaData/DataFramesMeta.jl/pull/272))
diff --git a/Project.toml b/Project.toml
index 8b7621db..fbb357d4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "DataFramesMeta"
 uuid = "1313f7d8-7da2-5740-9ea0-a2ca25f37964"
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 Chain = "8be319e6-bccf-4806-a6f7-6fae938471bc"
diff --git a/docs/Project.toml b/docs/Project.toml
index 261fa6f4..61cf4177 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -1,5 +1,6 @@
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
+DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 DataFramesMeta = "1313f7d8-7da2-5740-9ea0-a2ca25f37964"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 HTTP = "cd3eb016-35fb-5094-929b-558a96fad6f3"
diff --git a/src/macros.jl b/src/macros.jl
index 4e30d93e..d9f2b85e 100644
--- a/src/macros.jl
+++ b/src/macros.jl
@@ -1272,7 +1272,7 @@ end
 Row-wise version of `@transform!`, i.e. all operations use `@byrow` by
 default. See [`@transform!`](@ref) for details."""
 macro rtransform!(x, args...)
-    esc(rtransform_helper(x, args...))
+    esc(rtransform!_helper(x, args...))
 end
 
 ##############################################################################
@@ -1521,7 +1521,7 @@ function rselect!_helper(x, args...)
 
     t = (fun_to_vec(ex; gensym_names=false, outer_flags=outer_flags) for ex in exprs)
     quote
-        $DataFrames.select($x, $(t...))
+        $DataFrames.select!($x, $(t...))
     end
 end
 
@@ -1532,7 +1532,7 @@ Row-wise version of `@select!`, i.e. all operations use `@byrow` by
 default. See [`@select!`](@ref) for details.
 """
 macro rselect!(x, args...)
-    esc(rselect_helper(x, args...))
+    esc(rselect!_helper(x, args...))
 end
 
 ##############################################################################
diff --git a/test/byrow.jl b/test/byrow.jl
index 1e611e7b..de721de1 100644
--- a/test/byrow.jl
+++ b/test/byrow.jl
@@ -163,17 +163,21 @@ end
     @test @rtransform!(copy(df), :n = :g == 1 && :t == "a") ≅ @transform!(copy(df), :n = map((g, t) -> g == 1 && t == "a", :g, :t))
     @test @rtransform!(copy(df), :n = first(:g)) ≅ @transform!(copy(df), :n = first.(:g))
 
-    d = @rtransform! df begin
+    df2 = copy(df)
+    d = @rtransform! df2 begin
         :n1 = :i
         :n2 = :i * :g
     end
+    @test d === df2
     @test d ≅ @transform!(copy(df), :n1 = :i, :n2 = :i .* :g)
     @test d ≅ @transform!(copy(df), @byrow(:n1 = :i), @byrow(:n2 = :i * :g))
 
-    d = @rtransform! df begin
+    df2 = copy(df)
+    d = @rtransform! df2 begin
         cols(:n1) = :i
         :n2 = cols(:i) * :g
     end
+    @test d === df2
     @test d ≅ @transform!(copy(df), :n1 = :i, :n2 = :i .* :g)
     d = @rtransform! df begin
         :n1 = cols(:i)
@@ -352,17 +356,21 @@ end
     @test @rselect!(copy(df), :n = :g == 1 && :t == "a") ≅ @select!(copy(df), :n = map((g, t) -> g == 1 && t == "a", :g, :t))
     @test @rselect!(copy(df), :n = first(:g)) ≅ @select!(copy(df), :n = first.(:g))
 
-    d = @rselect! copy(df) begin
+    df2 = copy(df)
+    d = @rselect! df2 begin
         :n1 = :i
         :n2 = :i * :g
     end
+    @test d === df2
     @test d ≅ @select!(copy(df), :n1 = :i, :n2 = :i .* :g)
     @test d ≅ @select!(copy(df), @byrow(:n1 = :i), @byrow(:n2 = :i * :g))
 
-    d = @rselect! copy(df) begin
+    df2 = copy(df)
+    d = @rselect! df2 begin
         cols(:n1) = :i
         :n2 = cols(:i) * :g
     end
+    @test d === df2
     @test d ≅ @select!(copy(df), :n1 = :i, :n2 = :i .* :g)
     d = @rselect! copy(df) begin
         :n1 = cols(:i)
@@ -437,10 +445,12 @@ end
 @testset "@subset! with @byrow" begin
     df = DataFrame(A = [1, 2, 3, missing], B = [2, 1, 2, 1])
 
-    d = @subset! copy(df) begin
+    df2 = copy(df)
+    d = @subset! df2 begin
         @byrow :A > 1
         @byrow :B > 1
     end
+    @test d === df2
     @test d ≅ @subset(df, :A .> 1, :B .> 1)
 
     d = @subset! copy(df) @byrow begin
@@ -453,10 +463,12 @@ end
 @testset "@rsubset!" begin
     df = DataFrame(A = [1, 2, 3, missing], B = [2, 1, 2, 1])
 
-    d = @rsubset! copy(df) begin
+    df2 = copy(df)
+    d = @rsubset! df2 begin
         :A > 1
         :B > 1
     end
+    @test d === df2
     @test d ≅ @subset(df, :A .> 1, :B .> 1)
 
     d = @rsubset! copy(df) begin
@@ -633,4 +645,18 @@ end
     # no `@orderby!` for some reason.
 end
 
+@testset "row operations modify" begin
+    df = DataFrame(a = 1, b = 2)
+    cols = ["a", "b"]
+    for c in cols
+        @rtransform! df $c = $c + 100
+    end
+
+    @test df == DataFrame(a = 101, b = 102)
+
+    df = DataFrame(a = 1, b = 2)
+    @rselect! df :x = :a
+    @test names(df) == ["x"]
+end
+
 end
\ No newline at end of file