diff --git a/.eslintrc.json b/.eslintrc.json
index 9748435..f2b5228 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -2,5 +2,8 @@
   "extends": [
     "eslint:recommended",
     "plugin:react/recommended"
-  ]
+  ],
+  "rules": {
+    "react/prop-types": "warn"
+  }
 }
diff --git a/package.json b/package.json
index 224461d..fb30b04 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "react-custom-scrollbars": "^4.2.1",
     "react-dom": "^16.12.0",
     "react-onclickoutside": "^6.9.0",
-    "react-scripts": "3.4.1"
+    "react-scripts": "4.0.3"
   },
   "scripts": {
     "cra-build": "react-scripts build",
@@ -66,7 +66,7 @@
     "babel-core": "^6.26.3",
     "babel-eslint": "^10.1.0",
     "babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
-    "eslint": "^6.7.2",
+    "eslint": "^7.11.0",
     "eslint-config-airbnb": "^18.0.1",
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-jsx-a11y": "^6.2.3",
diff --git a/src/components/Chart/lib/chart.js b/src/components/Chart/lib/chart.js
index afd9ef0..24c7202 100644
--- a/src/components/Chart/lib/chart.js
+++ b/src/components/Chart/lib/chart.js
@@ -203,7 +203,7 @@ export default class BitfinexTradingChart {
 
         const v = ind.v()
         let nullP = 0
-        
+
         if (indicatorInstances[j][1].ui.lines) {
           nullP = {}
           indicatorInstances[j][1].ui.lines.forEach(key => nullP[key] = 0)
@@ -342,7 +342,7 @@ export default class BitfinexTradingChart {
     }
   }
 
-  renderBBandsIndicator (indicator, data, slot) {
+  renderBBandsIndicator (indicator, data) {
     const colors = indicator[2]
     const candlesToRender = this.getCandlesInView()
     const vpHeight = this.getOHLCVPHeight()
@@ -525,7 +525,7 @@ export default class BitfinexTradingChart {
     }
   }
 
-  renderOverlayLineIndicator (indicator, data, slot) {
+  renderOverlayLineIndicator (indicator, data) {
     const color = indicator[2][0]
     const candlesToRender = this.getCandlesInView()
     const vpHeight = this.getOHLCVPHeight()
@@ -548,7 +548,7 @@ export default class BitfinexTradingChart {
     drawLine(this.ohlcCanvas, color, linePoints)
   }
 
-  renderOverlayLinesIndicator (indicator, data, slot) {
+  renderOverlayLinesIndicator (indicator, data) {
     const colors = indicator[2]
     const candlesToRender = this.getCandlesInView()
     const vpHeight = this.getOHLCVPHeight()
@@ -891,7 +891,7 @@ export default class BitfinexTradingChart {
     this.isDragging = false
   }
 
-  onMouseUp (e) {
+  onMouseUp () {
     this.isDragging = false
     this.dragStart = null
 
diff --git a/src/components/Chart/lib/drawings/drawing.js b/src/components/Chart/lib/drawings/drawing.js
index 4956218..adb2c6c 100644
--- a/src/components/Chart/lib/drawings/drawing.js
+++ b/src/components/Chart/lib/drawings/drawing.js
@@ -52,7 +52,7 @@ export default class Drawing {
     this.anchors.forEach(a => a.moving = false)
   }
 
-  onMouseDown (x, y) {
+  onMouseDown () {
     let hasMovingAnchor = false
 
     this.anchors.forEach((a) => {
diff --git a/src/components/IndicatorSettingsModal/IndicatorSettingsModal.js b/src/components/IndicatorSettingsModal/IndicatorSettingsModal.js
index 39bdc3e..f2bb734 100644
--- a/src/components/IndicatorSettingsModal/IndicatorSettingsModal.js
+++ b/src/components/IndicatorSettingsModal/IndicatorSettingsModal.js
@@ -59,7 +59,7 @@ export default class IndicatorSettingsModal extends React.PureComponent {
 
           <ul className='bfxc__indicatorsettingsmodal-settings'>
             {args.map((arg, i) => (
-              <li>
+              <li key={i}>
                 <p>{argsDef[i].label}</p>
 
                 <input