diff --git a/homeassistant/components/brother/manifest.json b/homeassistant/components/brother/manifest.json
index c230373ea36..aaf1af72db9 100644
--- a/homeassistant/components/brother/manifest.json
+++ b/homeassistant/components/brother/manifest.json
@@ -3,7 +3,7 @@
   "name": "Brother Printer",
   "documentation": "https://www.home-assistant.io/integrations/brother",
   "codeowners": ["@bieniu"],
-  "requirements": ["brother==1.2.0"],
+  "requirements": ["brother==1.1.0"],
   "zeroconf": [
     {
       "type": "_printer._tcp.local.",
diff --git a/homeassistant/components/snmp/manifest.json b/homeassistant/components/snmp/manifest.json
index ef0213e82dc..76df9e18606 100644
--- a/homeassistant/components/snmp/manifest.json
+++ b/homeassistant/components/snmp/manifest.json
@@ -2,7 +2,7 @@
   "domain": "snmp",
   "name": "SNMP",
   "documentation": "https://www.home-assistant.io/integrations/snmp",
-  "requirements": ["pysnmplib==5.0.10"],
+  "requirements": ["pysnmp==4.4.12"],
   "codeowners": [],
   "iot_class": "local_polling",
   "loggers": ["pyasn1", "pysmi", "pysnmp"]
diff --git a/requirements_all.txt b/requirements_all.txt
index 1c4f2ec0860..5b35a595083 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -436,7 +436,7 @@ bravia-tv==1.0.11
 broadlink==0.18.1
 
 # homeassistant.components.brother
-brother==1.2.0
+brother==1.1.0
 
 # homeassistant.components.brottsplatskartan
 brottsplatskartan==0.0.1
@@ -1832,7 +1832,7 @@ pysmarty==0.8
 pysml==0.0.7
 
 # homeassistant.components.snmp
-pysnmplib==5.0.10
+pysnmp==4.4.12
 
 # homeassistant.components.soma
 pysoma==0.0.10
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 7e9f5a5011c..888cd30a056 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -333,7 +333,7 @@ bravia-tv==1.0.11
 broadlink==0.18.1
 
 # homeassistant.components.brother
-brother==1.2.0
+brother==1.1.0
 
 # homeassistant.components.brunt
 brunt==1.2.0