diff --git a/src/HairShadowColorControl.KK/KK.HairShadowColorControl.csproj b/src/HairShadowColorControl.KK/KK.HairShadowColorControl.csproj
index 553099ae..5a8d1d5a 100644
--- a/src/HairShadowColorControl.KK/KK.HairShadowColorControl.csproj
+++ b/src/HairShadowColorControl.KK/KK.HairShadowColorControl.csproj
@@ -48,12 +48,12 @@
       <HintPath>..\..\packages\IllusionLibs.Koikatu.Assembly-CSharp-firstpass.2019.4.27.4\lib\net35\Assembly-CSharp-firstpass.dll</HintPath>
       <Private>False</Private>
     </Reference>
-    <Reference Include="BepInEx, Version=5.4.20.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\IllusionLibs.BepInEx.5.4.20\lib\net35\BepInEx.dll</HintPath>
+    <Reference Include="BepInEx, Version=5.4.22.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\IllusionLibs.BepInEx.5.4.22\lib\net35\BepInEx.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="ExtensibleSaveFormat, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\ExtensibleSaveFormat.Koikatu.16.8.1\lib\net35\ExtensibleSaveFormat.dll</HintPath>
+      <HintPath>..\..\packages\ExtensibleSaveFormat.Koikatu.19.3.3\lib\net35\ExtensibleSaveFormat.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="KKAPI, Version=1.38.0.0, Culture=neutral, processorArchitecture=MSIL">
diff --git a/src/HairShadowColorControl.KK/packages.config b/src/HairShadowColorControl.KK/packages.config
index e8f13db8..f85be7e7 100644
--- a/src/HairShadowColorControl.KK/packages.config
+++ b/src/HairShadowColorControl.KK/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ExtensibleSaveFormat.Koikatu" version="16.8.1" targetFramework="net35" developmentDependency="true" />
-  <package id="IllusionLibs.BepInEx" version="5.4.20" targetFramework="net35" />
+  <package id="ExtensibleSaveFormat.Koikatu" version="19.3.3" targetFramework="net35" developmentDependency="true" />
+  <package id="IllusionLibs.BepInEx" version="5.4.22" targetFramework="net35" />
   <package id="IllusionLibs.BepInEx.Harmony" version="2.9.0" targetFramework="net35" />
   <package id="IllusionLibs.Koikatu.Assembly-CSharp" version="2019.4.27.4" targetFramework="net35" />
   <package id="IllusionLibs.Koikatu.Assembly-CSharp-firstpass" version="2019.4.27.4" targetFramework="net35" />
diff --git a/src/HairShadowColorControl.KKS/KKS.HairShadowColorControl.csproj b/src/HairShadowColorControl.KKS/KKS.HairShadowColorControl.csproj
index 1850c1c7..5cdf8ae5 100644
--- a/src/HairShadowColorControl.KKS/KKS.HairShadowColorControl.csproj
+++ b/src/HairShadowColorControl.KKS/KKS.HairShadowColorControl.csproj
@@ -57,7 +57,7 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="KKS_ExtensibleSaveFormat, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\ExtensibleSaveFormat.KoikatsuSunshine.16.8.1\lib\net46\KKS_ExtensibleSaveFormat.dll</HintPath>
+      <HintPath>..\..\packages\ExtensibleSaveFormat.KoikatsuSunshine.19.3.3\lib\net46\KKS_ExtensibleSaveFormat.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="Sirenix.Serialization, Version=2.1.13.0, Culture=neutral, processorArchitecture=MSIL">
diff --git a/src/HairShadowColorControl.KKS/packages.config b/src/HairShadowColorControl.KKS/packages.config
index 1e2a0c0d..ba134c74 100644
--- a/src/HairShadowColorControl.KKS/packages.config
+++ b/src/HairShadowColorControl.KKS/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ExtensibleSaveFormat.KoikatsuSunshine" version="16.8.1" targetFramework="net46" developmentDependency="true" />
+  <package id="ExtensibleSaveFormat.KoikatsuSunshine" version="19.3.3" targetFramework="net46" developmentDependency="true" />
   <package id="IllusionLibs.BepInEx" version="5.4.22" targetFramework="net46" />
   <package id="IllusionLibs.BepInEx.Harmony" version="2.9.0" targetFramework="net46" />
   <package id="IllusionLibs.KoikatsuSunshine.Assembly-CSharp" version="2021.9.17" targetFramework="net46" />
diff --git a/src/TimelineFlowControl.KK/KK.TimelineFlowControl.csproj b/src/TimelineFlowControl.KK/KK.TimelineFlowControl.csproj
index 1c6a6e69..eda10ea3 100644
--- a/src/TimelineFlowControl.KK/KK.TimelineFlowControl.csproj
+++ b/src/TimelineFlowControl.KK/KK.TimelineFlowControl.csproj
@@ -56,7 +56,7 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="ExtensibleSaveFormat, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\ExtensibleSaveFormat.Koikatu.16.8.1\lib\net35\ExtensibleSaveFormat.dll</HintPath>
+      <HintPath>..\..\packages\ExtensibleSaveFormat.Koikatu.19.3.3\lib\net35\ExtensibleSaveFormat.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="KKAPI, Version=1.38.0.0, Culture=neutral, processorArchitecture=MSIL">
diff --git a/src/TimelineFlowControl.KK/packages.config b/src/TimelineFlowControl.KK/packages.config
index 2da5f63c..f85be7e7 100644
--- a/src/TimelineFlowControl.KK/packages.config
+++ b/src/TimelineFlowControl.KK/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ExtensibleSaveFormat.Koikatu" version="16.8.1" targetFramework="net35" developmentDependency="true" />
+  <package id="ExtensibleSaveFormat.Koikatu" version="19.3.3" targetFramework="net35" developmentDependency="true" />
   <package id="IllusionLibs.BepInEx" version="5.4.22" targetFramework="net35" />
   <package id="IllusionLibs.BepInEx.Harmony" version="2.9.0" targetFramework="net35" />
   <package id="IllusionLibs.Koikatu.Assembly-CSharp" version="2019.4.27.4" targetFramework="net35" />
diff --git a/src/TimelineFlowControl.KKS/KKS.TimelineFlowControl.csproj b/src/TimelineFlowControl.KKS/KKS.TimelineFlowControl.csproj
index 2ea348e7..934afcbc 100644
--- a/src/TimelineFlowControl.KKS/KKS.TimelineFlowControl.csproj
+++ b/src/TimelineFlowControl.KKS/KKS.TimelineFlowControl.csproj
@@ -63,7 +63,7 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="KKS_ExtensibleSaveFormat, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\ExtensibleSaveFormat.KoikatsuSunshine.16.8.1\lib\net46\KKS_ExtensibleSaveFormat.dll</HintPath>
+      <HintPath>..\..\packages\ExtensibleSaveFormat.KoikatsuSunshine.19.3.3\lib\net46\KKS_ExtensibleSaveFormat.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="Sirenix.Serialization, Version=2.1.13.0, Culture=neutral, processorArchitecture=MSIL">
diff --git a/src/TimelineFlowControl.KKS/packages.config b/src/TimelineFlowControl.KKS/packages.config
index 7300fd7f..4ed1a505 100644
--- a/src/TimelineFlowControl.KKS/packages.config
+++ b/src/TimelineFlowControl.KKS/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="ExtensibleSaveFormat.KoikatsuSunshine" version="16.8.1" targetFramework="net46" developmentDependency="true" />
+  <package id="ExtensibleSaveFormat.KoikatsuSunshine" version="19.3.3" targetFramework="net46" developmentDependency="true" />
   <package id="IllusionLibs.BepInEx" version="5.4.22" targetFramework="net46" />
   <package id="IllusionLibs.BepInEx.Harmony" version="2.9.0" targetFramework="net46" />
   <package id="IllusionLibs.KoikatsuSunshine.Assembly-CSharp" version="2021.9.17" targetFramework="net46" />