diff --git a/.github/workflows/TagBot.yml b/.github/workflows/TagBot.yml
new file mode 100644
index 0000000..d77d3a0
--- /dev/null
+++ b/.github/workflows/TagBot.yml
@@ -0,0 +1,11 @@
+name: TagBot
+on:
+  schedule:
+    - cron: 0 * * * *
+jobs:
+  TagBot:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: JuliaRegistries/TagBot@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/src/orbit_dynamics.jl b/src/orbit_dynamics.jl
index 6af3629..ae5d988 100644
--- a/src/orbit_dynamics.jl
+++ b/src/orbit_dynamics.jl
@@ -121,8 +121,8 @@ function spherical_harmonic_gravity(r::Array{<:Real, 1}, coef::Array{<:Real, 2},
     z0    = r_ref * r[3] / r_sqr
 
     # Initialize Intermediary Matrices
-    V = zeros(Float64, n_max+2, n_max+2)
-    W = zeros(Float64, n_max+2, n_max+2)
+    V = zeros(eltype(r), n_max+2, n_max+2)
+    W = zeros(eltype(r), n_max+2, n_max+2)
 
     # Calculate zonal terms V(n, 0). Set W(n,0)=0.0
     V[0+1, 0+1] = r_ref /sqrt(r_sqr)
@@ -727,4 +727,4 @@ function accel_relativity(x::Array{<:Real, 1})
     a_rel = GM_EARTH/r2 * ( (4*GM_EARTH/(c2*norm_r) - v2/c2)*er + 4*v2/c2*dot(er, ev)*ev)
 
     return a_rel
-end
\ No newline at end of file
+end