diff --git a/library/socket/basicsocket/recv_nonblock_spec.rb b/library/socket/basicsocket/recv_nonblock_spec.rb
index 001d2d74a..5bdbbfe68 100644
--- a/library/socket/basicsocket/recv_nonblock_spec.rb
+++ b/library/socket/basicsocket/recv_nonblock_spec.rb
@@ -113,6 +113,7 @@
       end
 
       ruby_version_is ""..."3.3" do
+        quarantine! do # May fail with "IO::EAGAINWaitReadable: Resource temporarily unavailable - recvfrom(2) would block" error
         it "returns an empty String on a closed stream socket" do
           ready = false
 
@@ -134,6 +135,7 @@
 
           t.value.should == ""
         end
+        end
       end
 
       ruby_version_is "3.3" do
diff --git a/library/socket/basicsocket/recvmsg_nonblock_spec.rb b/library/socket/basicsocket/recvmsg_nonblock_spec.rb
index badafae81..dca2f0948 100644
--- a/library/socket/basicsocket/recvmsg_nonblock_spec.rb
+++ b/library/socket/basicsocket/recvmsg_nonblock_spec.rb
@@ -236,6 +236,7 @@
       end
 
       ruby_version_is ""..."3.3" do
+        quarantine! do # May fail with "IO::EAGAINWaitReadable: Resource temporarily unavailable - recvfrom(2) would block" error
         it "returns an empty String as received data on a closed stream socket" do
           ready = false
 
@@ -258,6 +259,7 @@
           t.value.should.is_a? Array
           t.value[0].should == ""
         end
+        end
       end
 
       ruby_version_is "3.3" do
diff --git a/library/socket/socket/recvfrom_nonblock_spec.rb b/library/socket/socket/recvfrom_nonblock_spec.rb
index 8535e3b4f..ade655e44 100644
--- a/library/socket/socket/recvfrom_nonblock_spec.rb
+++ b/library/socket/socket/recvfrom_nonblock_spec.rb
@@ -159,6 +159,7 @@
       end
 
       ruby_version_is ""..."3.3" do
+        quarantine! do # May fail with "IO::EAGAINWaitReadable: Resource temporarily unavailable - recvfrom(2) would block" error
         it "returns an empty String as received data on a closed stream socket" do
           ready = false
 
@@ -181,9 +182,11 @@
           t.value.should.is_a? Array
           t.value[0].should == ""
         end
+        end
       end
 
       ruby_version_is "3.3" do
+        quarantine! do # May fail with "IO::EAGAINWaitReadable: Resource temporarily unavailable - recvfrom(2) would block" error
         it "returns nil on a closed stream socket" do
           ready = false
 
@@ -205,6 +208,7 @@
 
           t.value.should be_nil
         end
+        end
       end
     end
   end