diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 8aa033d..88d3be2 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
+          - 'min'
           - '1' # automatically expands to the latest stable 1.x release of Julia
         os:
           - ubuntu-latest
diff --git a/src/tridiag.jl b/src/tridiag.jl
index 6f0065f..c41faf8 100644
--- a/src/tridiag.jl
+++ b/src/tridiag.jl
@@ -312,7 +312,7 @@ function Base.:\(B::T,A::SkewHermTridiagonal) where {T<:Complex}
     end
 end
 
-function Base. ==(A::SkewHermTridiagonal, B::SkewHermTridiagonal)
+function Base.:(==)(A::SkewHermTridiagonal, B::SkewHermTridiagonal)
     if A.dvim !== nothing && B.dvim!== nothing
         return (A.ev==B.ev) &&(A.dvim==B.dvim)
     elseif A.dvim === nothing && B.dvim === nothing