diff --git a/.github/sponsors/apideck-dark.png b/.github/sponsors/apideck-dark.png
new file mode 100644
index 00000000..1f71fdde
Binary files /dev/null and b/.github/sponsors/apideck-dark.png differ
diff --git a/.github/sponsors/apideck-light.png b/.github/sponsors/apideck-light.png
new file mode 100644
index 00000000..60458384
Binary files /dev/null and b/.github/sponsors/apideck-light.png differ
diff --git a/README.md b/README.md
index 4f90a97d..2dd399eb 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,14 @@ like our _very kind_ sponsors:
 
 [scalar](https://scalar.com)
 
+<a href="https://apideck.com">
+<picture>
+  <source media="(prefers-color-scheme: dark)" srcset=".github/sponsors/apideck-dark.png">
+  <img alt="apideck'" src=".github/sponsors/apideck-light.png">
+</picture>
+</a>
 
+[apideck](https://apideck.com)
 
 ---
 
diff --git a/index/cache.go b/index/cache.go
index ba726b2c..476f82f1 100644
--- a/index/cache.go
+++ b/index/cache.go
@@ -9,7 +9,6 @@ import (
 )
 
 // SetCache sets a sync map as a temporary cache for the index.
-// TODO: this needs to be moved to the Cache interface.
 func (index *SpecIndex) SetCache(sync *sync.Map) {
 	index.cache = sync
 }
@@ -55,8 +54,6 @@ type Cache interface {
 	GetStore() *sync.Map
 	AddHit() uint64
 	AddMiss() uint64
-	SetHits(uint64) uint64
-	SetMisses(uint64) uint64
 	GetHits() uint64
 	GetMisses() uint64
 	Clear()
@@ -100,26 +97,12 @@ func (c *SimpleCache) Store(key, value any) {
 
 // AddHit increments the hit counter by one, and returns the current value of hits.
 func (c *SimpleCache) AddHit() uint64 {
-	c.hits.Add(1)
-	return c.hits.Load()
+	return c.hits.Add(1)
 }
 
 // AddMiss increments the miss counter by one, and returns the current value of misses.
 func (c *SimpleCache) AddMiss() uint64 {
-	c.misses.Add(1)
-	return c.hits.Load()
-}
-
-// SetHits sets the hit counter to the provided value, and returns the current value of hits.
-func (c *SimpleCache) SetHits(hits uint64) uint64 {
-	c.hits.Add(hits)
-	return c.hits.Load()
-}
-
-// SetMisses sets the miss counter to the provided value, and returns the current value of misses.
-func (c *SimpleCache) SetMisses(misses uint64) uint64 {
-	c.misses.Add(misses)
-	return c.misses.Load()
+	return c.misses.Add(1)
 }
 
 // GetHits returns the current value of hits.
diff --git a/index/cache_test.go b/index/cache_test.go
index 71aaeba4..671c27bc 100644
--- a/index/cache_test.go
+++ b/index/cache_test.go
@@ -61,20 +61,6 @@ func TestAddMiss(t *testing.T) {
 	assert.Equal(t, initialMisses+1, newMisses)
 }
 
-// TestSetHits tests that the hit counter is correctly set.
-func TestSetHits(t *testing.T) {
-	cache := CreateNewCache()
-	cache.SetHits(10)
-	assert.Equal(t, uint64(10), cache.GetHits())
-}
-
-// TestSetMisses tests that the miss counter is correctly set.
-func TestSetMisses(t *testing.T) {
-	cache := CreateNewCache()
-	cache.SetMisses(5)
-	assert.Equal(t, uint64(5), cache.GetMisses())
-}
-
 // TestClear tests that the cache is correctly cleared.
 func TestClear(t *testing.T) {
 	cache := CreateNewCache()